header {
    display: flex;
    justify-content: flex-end;
    color: rgb(254, 207, 207);
    align-items: center;
    text-align: center;
    background-color: #30887A;
    z-index: 1000;
    position: fixed;
    font-size: 18px;
    padding: 18px 10px;
    width: 100%;
    left: 0;
    right: 0;
    top: 0;
}
body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin-top: 120px;
    background-color: #f4f4f4;
}
.container {
    background: white;
    width: 300px;
    padding: 100px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    margin: auto;
    text-align: center;
}
.container h3 {
    margin-bottom: 20px;
    font-size: 18px;
    color: #333;
}
button {
    display: block;
    width: 100%;
    padding: 10px;
    font-size: 16px;
    margin: 10px 0;
    background-color: #30887A;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background-color: #266e60;
}
input, button {
    display: block;
    margin: 10px auto;
    padding: 10px;
    font-size: 16px;
}
.form-group .compatibility-options {
    display: flex;
    justify-content: space-between;
    margin-right: 150px;
}

.form-group .compatibility-options label {
    flex: 1;
    margin-top:5px;
    text-align: center;
}

.form-group .compatibility-options input {
    margin-right: 2px;
}