*{
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}
html{
    min-height: 100%;
}
body{
    height: 100%;
    text-align: center;
    background-image: linear-gradient(red, rgb(207, 0, 0));
}
td, th{
    border: solid 1px;
    height: 2rem;
    min-width: 4rem;
    background-color: yellow;
}
table{
    margin-right: 20px;
    margin-bottom: 20px;
    float: left;
}
a, a:visited{
    color: black;
}
a:hover{
    color: rgb(255, 196, 0);
}
#überschrift{
    display: inline-block;
    margin: 10px;
    height: 130%;
    min-width: 50%;
    background-color: white;
    font-size: 3rem;
    border-radius: 25px;
}
@media only screen and (max-width: 825px){
	table{
        display: block;
        height: 200px;
        width: 100%;
        overflow: auto;
        float: none;
    }
    tr, td{
        width: 1%;
    }
    #überschrift{
        font-size: 2em;
    }
    h1{
        font-size: 1.5em;
    }
}