<style>
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f9f9;
    color: #333;
}
header {
    background-color: lightsteelblue;
    color: black;
    padding: 20px;
    text-align: center;
    height: 45px;

}
nav {
    background-color: #01426a;
    padding: 10px;
    text-align: center;
    position: fixed;
    z-index:100;
    width: 100%;
    top: 0;
}
nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;

}

.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #017bb5;
    min-width: 200px;
    box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 1;
}
.dropdown-content a {
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    display: block;
    text-align: left;
}
.dropdown-content a:hover {
    background-color: #f1f1f1;
}
.dropdown:hover .dropdown-content {
    display: block;
}
.banner {
    background: url('../figure/homepage/banner.jpg') no-repeat center center/cover;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-shadow: 2px 2px 4px #000;
    font-size: 24px;
    font-weight: bold;
}
.features {
    display: flex;
    justify-content: space-around;
    padding: 20px;
}
.features div {
    width: 30%;
    background-color: #e0f7fa;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: 0 auto;
    max-width: 1200px;
}
table,
tr,
td
{
    text-align: center;
    text-decoration-color: black;
    border: 1px solid black;
    border-collapse: collapse;
    background-color: white;


}
img {

    display: block;
    text-align: center;
    margin: auto;

}
h3{
    background-color: lightsteelblue;
}
li{
    font-weight: bold;
}
tr{
   height: 20px;
    width: 100%;

}
td{
    height: 25px;
    width: 65px;
}

footer {
    background-color: #01426a;

    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}
/* Go to top button */
#goToTopBtn {
    position: fixed;
    bottom: 120px;
    right: 20px;
    background-color: #333;
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#goToTopBtn:hover {
    background-color: #555;
}
</style>