/*Der Seitenkopf von Cassiopeia hat die Klasse "header" du steuerst diese also mit .header an */
.header {
background: rgb(43,43,43);
/*background: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(119,9,121,1) 35%,
rgba(0,212,255,1) 100%);*/
}

.main-top.card {
background: #e1e9f5;
}

.footer {
background: rgb(43,43,43);
/*background: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(119,9,121,1) 35%, rgba(0,212,255,1)
100%);*/
}