body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fefff9;
    overflow-x: hidden;
}

.page-header {
    text-align: center;
    margin-bottom: 21%;
    z-index: 3;
}

.page-header h1 {
    font-size: 30px;
    color: #0f1934;
    /* font-family: serif; */
    font-weight: bold;
}

.hud-buttons {
    position: absolute;
    border: 1px solid #D1CFCB;
    top: 50px;
    border-radius: 10px;
    padding: 10px;
    z-index: 2;
}

.hud-button {
    padding: 10px 20px;
    font-size: 16px;
    color: #0f1934;
    background-color: #fefff9;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    margin: 0 90px; 
    font-family: "Delius Swash Caps", serif;
    z-index: 2;
}

.hud-button::before {
    content: '•';
    display: inline-block;
    width: 1em;
    margin-right: 0.5em;
}

.orange-bar {
    background-color: #fb998c;
    left: 0;
    padding: 20px;
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 25.15%;
    z-index: 1;
}

.menu {
    width: 30%; 
    height: 65%;
    border-radius: 30px;
    background-color: #ffffff; 
    position: absolute;
    top: 50%;
    left: 50%; 
    transform: translate(-50%, -40%);
    z-index: 2;
}

.menu-bg {
    width: 31%;
    height: 67%;
    border-radius: 30px;
    background-color: #dddddd;
    position: absolute;
    top: 50%;
    left: 50%; 
    transform: translate(-50%, -40%);
    z-index: 1; 
}

.lesson_notenbalk {
    position: absolute;
    width: 16%;
    height: 8%;
    top: 30%;
    left: 37%;
    z-index: 3;
}

.notenbalk_orange_square{
    position: absolute;
    background-color: #fb998c;
    width: 12.36%;
    height: 51%;
    top: 34%;
    left: 0%;
    z-index: 3;
    
}

.notenbalk_titel{
    position: absolute;
    font-weight: bold;
    top: 10%;
    left: 18%;
    z-index: 3;
}

.notenbalk_beschrijving{
    position: absolute;
    top: 34%;
    left: 18%;
    z-index: 3;
}

.lesson_sleutels {
    position: absolute;
    width: 16%;
    height: 8%;
    top: 44%;
    left: 37%;
    z-index: 3;

}

.sleutels_orange_square{
    position: absolute;
    background-color: #fb998c;
    width: 12.36%;
    height: 51%;
    top: 34%;
    left: 0%;
    z-index: 3;
    
}

.sleutels_titel{
    position: absolute;
    font-weight: bold;
    top: 10%;
    left: 18%;
    z-index: 3;
}

.sleutels_beschrijving{
    position: absolute;
    top: 34%;
    left: 18%;
    z-index: 3;
}

.lesson_noten {
    position: absolute;
    width: 16%;
    height: 8%;
    top: 51%;
    left: 37%;
    z-index: 3;

}

.noten_orange_square{
    position: absolute;
    background-color: #fb998c;
    width: 12.36%;
    height: 51%;
    top: 34%;
    left: 0%;
    z-index: 3;
    
}

.noten_titel{
    position: absolute;
    font-weight: bold;
    top: 10%;
    left: 18%;
    z-index: 3;
}

.noten_beschrijving{
    position: absolute;
    top: 34%;
    left: 18%;
    z-index: 3;
}

.lesson_letters {
    position: absolute;
    width: 16%;
    height: 8%;
    top: 37%;
    left: 37%;
    z-index: 3;

}

.letters_orange_square{
    position: absolute;
    background-color: #fb998c;
    width: 12.36%;
    height: 51%;
    top: 34%;
    left: 0%;
    z-index: 3;
    
}

.letters_titel{
    position: absolute;
    font-weight: bold;
    top: 10%;
    left: 18%;
    z-index: 3;
}

.letters_beschrijving{
    position: absolute;
    top: 34%;
    left: 18%;
    z-index: 3;
}