body {
    background-image: url("./kepek/back.jpg");
    font-family: Arial, Helvetica, sans-serif;
}
.header {
    text-align: center;
    opacity: 0.6;
    height: 100px;
    border-radius: 10px;
    margin-left: 40px;
    margin-right: 40px;
}
.topnav {
    overflow: hidden;
    background-color: black;
    opacity: 0.7;
    margin-bottom: 5px;
    border-radius: 10px;
} 
.menu {
    opacity : 0.8;
    text-align: center;   
    width: 500px;
    height: 400px;
    border-radius: 10px; 
    margin: auto;
}
h1 {
    text-align: center;
    padding: 20px;
    color: white;
}
h3 {
    text-align: center;
    padding: 5px;
    color: white;
    opacity : 0.8;
}
input[type=text] { 
    text-align: center;
    width: 300px;
    padding: 5px 10px;
    margin: 8px;
    border: 1px solid black;
    border-radius: 4px;
    font-size: 16px;
}
select { 
    text-align: center;
    width: 300px;
    padding: 5px 10px;
    margin: 8px;
    border: 1px solid black;
    border-radius: 4px;
    font-size: 16px;
}
input[type=submit] {
    width: 300px;
    height: 80px;
    border: none;
    border-radius: 10px;
    font-size: 24px;
    cursor: pointer;
    transition-duration: 0.4s;
    margin-top: 40px;
}
input[type=submit]:hover {
    box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
}
table, th, td {
    border:0px solid black;
    padding: 10px;
    background-color: white;
    opacity: 0.8;
    border-collapse: collapse;
    margin: auto;
    border-radius: 10px;
}
tr:hover {
    background-color: coral;
}p {
    color: white;
    text-align: center;
}
img {
    float: right;
    padding: 5px;
    width: 80px;
    height: 50px;
}
a:link,
a:visited,
a:hover,
a:active {
    color: blue;
}