body{
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    padding-top: 80px;
}
a{
    text-decoration: none;
    color: white;
    margin: 0 15px;
    font-size: 14px;
    transition: opacity 0.3s;
}
a:hover{
    opacity: 0.8;
}
.header{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #007BFF;
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
.header h2{
    margin: 0;
    font-size: 24px;
}
.navbar{
    display: flex;
    gap: 0;
    margin: 0;
}
.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.container p {
    text-align: center;
    color: #555;
}
h1 {
    text-align: center;
    color: #333;
}
.about-us {
    margin-top: 20px;
    padding: 15px;
    background-color: #e9ecef;
    border-radius: 5px;
    text-align: center;
}
label {
    display: block;
    margin-top: 10px;
    color: #555;
}
input[type="number"] {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    box-sizing: border-box;
}
button {
    margin-top: 15px;
    padding: 10px 15px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #218838;
}
#hasilPeluang {
    margin-top: 20px;
    font-weight: bold;
    color: #333;
}
#hasilKombinasi {
    margin-top: 20px;
    font-weight: bold;
    color: #333;
}
.menu {
   margin-top: 20px;
    border-top: 1px solid #ccc;
    padding-top: 20px;
    text-align: center;
}
label {
    font-weight: bold;
    color: #222;
    border-style: none;
    padding-bottom: 10px;
}
input{
    border-style: none;
    border-bottom: 2px solid #007BFF;
    padding: 20px;

    font-size: 16px;
    outline: none;
    width: 60%;
    box-sizing: border-box;
}
.menu h2 {
    color: #333;
    font-size: 50px;
}
.menu div {
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
    border: 2px solid #222;
    padding: 15px;
    width: 50%;
    text-align: center;
}
.footer {
    text-align: center;
    margin-top: 40px;
    color: #777;
    font-size: 14px;
}