table, th, td {
    border: 55px solid white;
    border-collapse: collapse;
}

button {
    width: 350px;
    height: 300px;
    background: lightgray;
    font-size: 45px;
}

.arttitel {
    font-size: 60px;
}

.arbtn {
    padding: 0;
    width: 125px; 
    height: 100px; 
    font-size: 40px;
}
 
.artxt {
    font-size: 55px;
}