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A website developed for the Web Technologies course at the University of Padua (BSc in Computer Science, Academic Year 2022/23).

This repository contains the source code for the project reports produced as part of the assignment

The project received a grade of 30/30 and has been selected as the winner of the "Accattivante Accessibile 2025" contest organized by the University of Padua.

BookOverflow is the place where books never end. Like StackOverflow for programmers, here book lovers discover an "overflow" of stories, connections, and possibilities—all without spending a single penny.

The beauty of BookOverflow lies in its ability to transform forgotten books on shelves into opportunities, while also committing to reducing the environmental impact of the publishing industry by promoting sustainable practices.

Course requirements

The course requires all projects to meet the following requirements:

  • The website must be built using XHTML Strict or HTML5. HTML5 pages must degrade gracefully and adhere to XML syntax.
  • The layout must be implemented using pure CSS (CSS2 or CSS3).
  • The use of flexbox and CSS grid layouts, if implemented correctly, will be highly regarded.
  • The website must ensure complete separation between content and presentation.
  • The website must be accessible to all user groups.
  • The website must organize its content to ensure it is easily retrievable by any user.
  • The website must include pages that use PHP scripts to collect and display user-submitted data (including functionality to edit and delete the data).
  • The website must implement input validation, both client-side and server-side.
  • User-submitted data must be stored in a database.
  • The database should preferably adhere to normalized form.

The website must be based on the LAMP stack.

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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A website developed for the Web Technologies course at the University of Padua (BSc in Computer Science, Academic Year 2022/23).
This repository contains the source code for the project reports produced as part of the assignment
The project received a grade of 30/30 and has been selected as the winner of the "Accattivante Accessibile 2025" contest organized by the University of Padua.
BookOverflow is the place where books never end.
Like StackOverflow for programmers, here book lovers discover an "overflow" of stories, connections, and possibilities—all without spending a single penny.
The beauty of BookOverflow lies in its ability to transform forgotten books on shelves into opportunities, while also committing to reducing the environmental impact of the publishing industry by promoting sustainable practices.
Course requirements
The course requires all projects to meet the following requirements:
  • The website must be built using XHTML Strict or HTML5. HTML5 pages must degrade gracefully and adhere to XML syntax.
  • The layout must be implemented using pure CSS (CSS2 or CSS3).
  • The use of flexbox and CSS grid layouts, if implemented correctly, will be highly regarded.
  • The website must ensure complete separation between content and presentation.
  • The website must be accessible to all user groups.
  • The website must organize its content to ensure it is easily retrievable by any user.
  • The website must include pages that use PHP scripts to collect and display user-submitted data (including functionality to edit and delete the data).
  • The website must implement input validation, both client-side and server-side.
  • User-submitted data must be stored in a database.
  • The database should preferably adhere to normalized form.
The website must be based on the LAMP stack.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
docs/README.md at main · BookOverflowLib/docs · GitHub
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A website developed for the Web Technologies course at the University of Padua (BSc in Computer Science, Academic Year 2022/23).
This repository contains the source code for the project reports produced as part of the assignment
The project received a grade of 30/30 and has been selected as the winner of the "Accattivante Accessibile 2025" contest organized by the University of Padua.
BookOverflow is the place where books never end.
Like StackOverflow for programmers, here book lovers discover an "overflow" of stories, connections, and possibilities—all without spending a single penny.
The beauty of BookOverflow lies in its ability to transform forgotten books on shelves into opportunities, while also committing to reducing the environmental impact of the publishing industry by promoting sustainable practices.
Course requirements
The course requires all projects to meet the following requirements:
  • The website must be built using XHTML Strict or HTML5. HTML5 pages must degrade gracefully and adhere to XML syntax.
  • The layout must be implemented using pure CSS (CSS2 or CSS3).
  • The use of flexbox and CSS grid layouts, if implemented correctly, will be highly regarded.
  • The website must ensure complete separation between content and presentation.
  • The website must be accessible to all user groups.
  • The website must organize its content to ensure it is easily retrievable by any user.
  • The website must include pages that use PHP scripts to collect and display user-submitted data (including functionality to edit and delete the data).
  • The website must implement input validation, both client-side and server-side.
  • User-submitted data must be stored in a database.
  • The database should preferably adhere to normalized form.
The website must be based on the LAMP stack.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
docs/README.md at main · BookOverflowLib/docs · GitHub
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A website developed for the Web Technologies course at the University of Padua (BSc in Computer Science, Academic Year 2022/23).
This repository contains the source code for the project reports produced as part of the assignment
The project received a grade of 30/30 and has been selected as the winner of the "Accattivante Accessibile 2025" contest organized by the University of Padua.
BookOverflow is the place where books never end.
Like StackOverflow for programmers, here book lovers discover an "overflow" of stories, connections, and possibilities—all without spending a single penny.
The beauty of BookOverflow lies in its ability to transform forgotten books on shelves into opportunities, while also committing to reducing the environmental impact of the publishing industry by promoting sustainable practices.
Course requirements
The course requires all projects to meet the following requirements:
  • The website must be built using XHTML Strict or HTML5. HTML5 pages must degrade gracefully and adhere to XML syntax.
  • The layout must be implemented using pure CSS (CSS2 or CSS3).
  • The use of flexbox and CSS grid layouts, if implemented correctly, will be highly regarded.
  • The website must ensure complete separation between content and presentation.
  • The website must be accessible to all user groups.
  • The website must organize its content to ensure it is easily retrievable by any user.
  • The website must include pages that use PHP scripts to collect and display user-submitted data (including functionality to edit and delete the data).
  • The website must implement input validation, both client-side and server-side.
  • User-submitted data must be stored in a database.
  • The database should preferably adhere to normalized form.
The website must be based on the LAMP stack.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
docs/README.md at main · BookOverflowLib/docs · GitHub
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A website developed for the Web Technologies course at the University of Padua (BSc in Computer Science, Academic Year 2022/23).
This repository contains the source code for the project reports produced as part of the assignment
The project received a grade of 30/30 and has been selected as the winner of the "Accattivante Accessibile 2025" contest organized by the University of Padua.
BookOverflow is the place where books never end.
Like StackOverflow for programmers, here book lovers discover an "overflow" of stories, connections, and possibilities—all without spending a single penny.
The beauty of BookOverflow lies in its ability to transform forgotten books on shelves into opportunities, while also committing to reducing the environmental impact of the publishing industry by promoting sustainable practices.
Course requirements
The course requires all projects to meet the following requirements:
  • The website must be built using XHTML Strict or HTML5. HTML5 pages must degrade gracefully and adhere to XML syntax.
  • The layout must be implemented using pure CSS (CSS2 or CSS3).
  • The use of flexbox and CSS grid layouts, if implemented correctly, will be highly regarded.
  • The website must ensure complete separation between content and presentation.
  • The website must be accessible to all user groups.
  • The website must organize its content to ensure it is easily retrievable by any user.
  • The website must include pages that use PHP scripts to collect and display user-submitted data (including functionality to edit and delete the data).
  • The website must implement input validation, both client-side and server-side.
  • User-submitted data must be stored in a database.
  • The database should preferably adhere to normalized form.
The website must be based on the LAMP stack.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
docs/README.md at main · BookOverflowLib/docs · GitHub
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A website developed for the Web Technologies course at the University of Padua (BSc in Computer Science, Academic Year 2022/23).
This repository contains the source code for the project reports produced as part of the assignment
The project received a grade of 30/30 and has been selected as the winner of the "Accattivante Accessibile 2025" contest organized by the University of Padua.
BookOverflow is the place where books never end.
Like StackOverflow for programmers, here book lovers discover an "overflow" of stories, connections, and possibilities—all without spending a single penny.
The beauty of BookOverflow lies in its ability to transform forgotten books on shelves into opportunities, while also committing to reducing the environmental impact of the publishing industry by promoting sustainable practices.
Course requirements
The course requires all projects to meet the following requirements:
  • The website must be built using XHTML Strict or HTML5. HTML5 pages must degrade gracefully and adhere to XML syntax.
  • The layout must be implemented using pure CSS (CSS2 or CSS3).
  • The use of flexbox and CSS grid layouts, if implemented correctly, will be highly regarded.
  • The website must ensure complete separation between content and presentation.
  • The website must be accessible to all user groups.
  • The website must organize its content to ensure it is easily retrievable by any user.
  • The website must include pages that use PHP scripts to collect and display user-submitted data (including functionality to edit and delete the data).
  • The website must implement input validation, both client-side and server-side.
  • User-submitted data must be stored in a database.
  • The database should preferably adhere to normalized form.
The website must be based on the LAMP stack.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
docs/README.md at main · BookOverflowLib/docs · GitHub
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A website developed for the Web Technologies course at the University of Padua (BSc in Computer Science, Academic Year 2022/23).
This repository contains the source code for the project reports produced as part of the assignment
The project received a grade of 30/30 and has been selected as the winner of the "Accattivante Accessibile 2025" contest organized by the University of Padua.
BookOverflow is the place where books never end.
Like StackOverflow for programmers, here book lovers discover an "overflow" of stories, connections, and possibilities—all without spending a single penny.
The beauty of BookOverflow lies in its ability to transform forgotten books on shelves into opportunities, while also committing to reducing the environmental impact of the publishing industry by promoting sustainable practices.
Course requirements
The course requires all projects to meet the following requirements:
  • The website must be built using XHTML Strict or HTML5. HTML5 pages must degrade gracefully and adhere to XML syntax.
  • The layout must be implemented using pure CSS (CSS2 or CSS3).
  • The use of flexbox and CSS grid layouts, if implemented correctly, will be highly regarded.
  • The website must ensure complete separation between content and presentation.
  • The website must be accessible to all user groups.
  • The website must organize its content to ensure it is easily retrievable by any user.
  • The website must include pages that use PHP scripts to collect and display user-submitted data (including functionality to edit and delete the data).
  • The website must implement input validation, both client-side and server-side.
  • User-submitted data must be stored in a database.
  • The database should preferably adhere to normalized form.
The website must be based on the LAMP stack.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
docs/README.md at main · BookOverflowLib/docs · GitHub
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A website developed for the Web Technologies course at the University of Padua (BSc in Computer Science, Academic Year 2022/23).
This repository contains the source code for the project reports produced as part of the assignment
The project received a grade of 30/30 and has been selected as the winner of the "Accattivante Accessibile 2025" contest organized by the University of Padua.
BookOverflow is the place where books never end.
Like StackOverflow for programmers, here book lovers discover an "overflow" of stories, connections, and possibilities—all without spending a single penny.
The beauty of BookOverflow lies in its ability to transform forgotten books on shelves into opportunities, while also committing to reducing the environmental impact of the publishing industry by promoting sustainable practices.
Course requirements
The course requires all projects to meet the following requirements:
  • The website must be built using XHTML Strict or HTML5. HTML5 pages must degrade gracefully and adhere to XML syntax.
  • The layout must be implemented using pure CSS (CSS2 or CSS3).
  • The use of flexbox and CSS grid layouts, if implemented correctly, will be highly regarded.
  • The website must ensure complete separation between content and presentation.
  • The website must be accessible to all user groups.
  • The website must organize its content to ensure it is easily retrievable by any user.
  • The website must include pages that use PHP scripts to collect and display user-submitted data (including functionality to edit and delete the data).
  • The website must implement input validation, both client-side and server-side.
  • User-submitted data must be stored in a database.
  • The database should preferably adhere to normalized form.
The website must be based on the LAMP stack.