body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f4f4f9;
    color: #333;
    transition: background-color 0.3s, color 0.3s;
}
.dark-mode {
    background-color: #333;
    color: #f4f4f9;
}
h1 {
    font-size: 2.5em;
    margin-bottom: 0.5em;
}
.link-box {
    margin: 15px;
    padding: 20px;
    border: 1px solid #007bff;
    border-radius: 8px;
    background-color: #007bff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: background-color 0.3s, box-shadow 0.3s;
    width: 200px; /* Set the same width for all boxes */
    height: 5px; /* Set the same height for all boxes */
    display: flex;
    align-items: center;
    justify-content: center;
}
.link-box:hover {
    background-color: #0056b3;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.dark-mode .link-box {
    background-color: #0056b3;
    border: #0056b3;
}
.link-box a {
    text-decoration: none;
    color: #ffffff;
    font-size: 1em;
    font-weight: bold;
}
.link-box a:hover {
    color: #ffffff;
}
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s, background-color 0.3s;
}
.dark-mode .container {
    background: #444;
    box-shadow: 0 4px 8px rgba(255, 255, 255, 0.1);
}
.container:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.dark-mode .container:hover {
    box-shadow: 0 8px 16px rgba(255, 255, 255, 0.2);
}
.dark-mode-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #007bff;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}
.dark-mode .dark-mode-toggle {
    background: #0056b3;
}