&:before {
position: absolute;
left: -16px;
top: -30px;
content: "";
display: block;
z-index: -1;
width: 0;
height: 0;
border-top: 80px solid #bbd5f9;
border-right: 80px solid transparent;
@media (max-width: $coworking_tablet) {
left: -20px;
top: -20px;
border-top: 65px solid #bbd5f9;
border-right: 65px solid transparent;
}
@media (max-width: $coworking_mobile) {
left: -15px;
top: -9px;
border-top: 45px solid #bbd5f9;
border-right: 45px solid transparent;
}
}