body{ 
    background-repeat: no-repeat;
    background-size: cover; 
    background-color: aqua;
    margin: 0;
}

ol, ul {
    margin: 0 auto;
    font-size: x-large;
}

table {
    font-size: x-large;
    color: brown;
    margin: auto auto;
    border-collapse: collapse;
}

td, th{
    border: 1px solid rgb(0, 0, 0);
    border-radius: 0px;
    border-width: 5px;
    font-size: xx-large;
    width: 100px;
    height: 40px;
}

.image{
    display: block; 
    align-items: center; 
    justify-content: center; 
    margin: 0 auto;
    border: 1 px solid transparent;
    border-width: 100 px;
}

.Oben{
    display: block; 
    align-items: center; 
    justify-content: center; 
    margin: 0 auto;
    border: 1 px solid transparent;
    border-width: 100 px;
}

.Schul{
    display: block; 
    align-items: center; 
    justify-content: center; 
    margin: 0 auto;
    border: 1 px solid transparent;
    border-width: 100 px;
}