#character {
    display: flex;
    flex-wrap: wrap;
    width: 200px;
}
 
#hoofd, #lichaam, #benen {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
}
 
#hoofd {
    background-color: green;
}
 
#lichaam {
    background-color: yellow;
}
 
#benen {
    background-color: red;
}