body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}
<!--met css inspringen gingen er ong 10 regels af-->
header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px;
}

nav {
    background-color: #444;
    overflow: hidden;
}

nav a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
}

nav a:hover {
    background-color: #ddd;
    color: black;
}

section {
    padding: 20px;
    background-color: white;
    margin: 15px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

aside {
    background-color: white;
    padding: 40px;
    margin: 15px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.card {
    background-color: #fff;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.card h2 {
    color: #333;
}

label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}

input,
textarea,
select,
button {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #218838;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table,
th,
td {
    border: 1px solid black;
}

th,
td {
    padding: 8px;
    text-align: center;
}

caption {
    font-weight: bold;
    margin-bottom: 10px;
}

tfoot {
    background-color: #eee;
    font-style: italic;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #333;
    color: white;
    position: fixed;
    width: 100%;
    bottom: 0;
}

#gitaar {
    width: 100%;
    display: block;
    margin: 10px 0;
}

@media screen and (max-width: 600px) {
    nav a {
        float: none;
        display: block;
        text-align: left;
        padding: 10px;
    }

    section {
        padding: 10px;
    }

    aside {
        padding: 20px;
    }
}

noot {
width: 50x
Height: 50px
}