.bg_diagonal {
    background: linear-gradient(261deg, #87D0D0 50%, #FBBC84 50%);
    border: 1px solid #616161;
}
.bg_diagonal2 {
    background: #A3ADD8;
    border: 1px solid #616161;
}
.bg_diagonal3 {
    background: #F8AFAE;
    border: 1px solid #616161;
}