body {
    font-family: Arial, Helvetica, sans-serif;
    margin-bottom: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;

    background-image: url(/assets/projects/klassefest/img/bilde.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.knapper {
    margin-top: 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.knapper button {
    margin-right: 10px;
    color: white;
    background-color: rgb(167, 79, 239);
    border: 1px solid rgb(167, 79, 239);
    border-radius: 10px;
    padding: 14px 28px;
    outline: none;
}

.knapper button:hover {
    cursor: pointer;
    background-color: rgb(138, 67, 197);
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    transition-duration: 0.4s;
}

.boks {
    width: 700px;
    height: 150px;
    border: 1px solid whitesmoke;
    border-radius: 10px;
    background-color: whitesmoke;
    padding: 10px;
    margin-top: 250px;
    transition: height 0.2s ease;
}

.boks h1 {
    text-align: center;
}

#klasse-tabell {
    visibility: hidden;
    font-family: 'Segoe UI';
    border-collapse: collapse;
    width: 600px;
    margin: 0 auto;
}

#klasse-tabell td, #klasse-tabell th {
    border: 1px solid #ddd;
    padding: 8px;
    width: 1px;
    text-align: center;
}

#klasse-tabell tr:nth-child(even) {
    background-color: rgb(255, 255, 255);
}

#klasse-tabell th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: center;
    background-color: rgb(167, 79, 239);
    color: white;
}

.slettKnapp {
    background-color: red;
    color: white;
    margin-left: auto;
    margin-right: auto;
    border-radius: 10px;
    border: 1px solid red;
    width: 60px;
    height: 30px;
}

.slettKnapp:hover {
    cursor: pointer;
    background-color: rgb(209, 0, 0);
    transition-duration: 0.4s;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
}

.overlay {
    display: none; 
    position: fixed; 
    z-index: 1; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.5); 
}


.form {
    display: none;
    position: absolute;
    width: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 3px solid #f1f1f1;
    border-radius: 10px;
    background: rgba(255, 255, 255);
    padding: 20px;
    box-sizing: border-box;
}

.form input[type=text] {
    width: 93%;
    padding: 15px;
    margin: 5px 0 22px 0;
    border: none;
    background: rgb(224, 224, 224);
    border-radius: 5px;
}

.form .form-btn {
    background-color: rgb(167, 79, 239);
    color: white;
    padding: 16px 20px;
    border: none;
    cursor: pointer;
    width: 100%;
    margin-bottom:10px;
    border-radius: 5px;
    opacity: 0.8;
}

.form .form-btn:hover {
    cursor: pointer;
    background-color: rgb(138, 67, 197);
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    transition-duration: 0.4s;
}