body {
    background-color: black;
    background-size: cover;
    color: white;
    text-align: left;
}

header a {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 9px;
    font-style: italic;
    font-weight: bold;
    text-decoration: none;
    color: white;
    padding: 8px;
    margin: 3px;
}

.top {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

.top img {
    width: 130px;
}

.logo {
    width:30%;
    margin:0px;
    padding: 0px;
}

.home-img {
    width: 7%;
    position:absolute;
    right: 1%;
    display: flex;
}

.department {
    font-size: 130%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    text-align: center;
    font-weight: bold;
}

.semester {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 140%;
    font-weight: bold;
    text-align: center;
}

.levels {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 110%;
    font-weight: bold;
    text-align: center;
    text-align: left;
    margin: 5px;
    padding: 5px;
    margin-top: 20px;
}

.courses {
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    padding: 1px;
    box-sizing: border-box;
}

.list {
    display: inline-flex;
    gap: 10px;
}

.list img {
    width: 40%;
    border-radius: 10px;
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.list img:hover {
    transform: scale (1.1);
}

.nav-container {
    display: flex;
    gap: 1px;
    justify-content: space-between;
    background-color: transparent;
    border-radius: 10px;
    border: none;
    text-align: center;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

.navigation {
    width: 30%;
    padding: 10px;
    background-color: transparent;
    color: white;
    cursor:pointer;
    transition: background-color 0.3s ease;
}

.navigation:hover {
    background-color: blueviolet;
    border-radius: 10px;
}

.content {
    display: none;
    padding: 2px;
    background-color: transparent;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.content.active {
    display: block;
}

footer {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 50%;
    position:fixed;
    bottom: 1%;
    right: 1%;
    margin-top: 10px;
}