body {
    margin: 0;
    font-family: Arial;
    color: white;
    background-color: #333;
    background-image: url('bilder/mellobakgrund.jpg');
    background-size: cover;
    background-attachment: fixed;
}

.header {
    text-align: center;
    padding: 20px;
    background-color: black;
}

.header button {
    background-color: purple;
    color: white;
    padding: 10px;
    margin: 5px;
}

.main {
    width: 90%;
    margin: 0 auto;
    text-align: center;
}

.bidraggrid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.kort {
    background-color: black;
    border: 2px solid white;
    padding: 10px;
}

.kort img {
    width: 100%;
}