CSS para elementor

Como ingresar css a elementor

selector  li a {
    background-color: #007c4b;
    border-radius: 8px;
    flex-direction: column;
    
}
selector  li a:hover {
    background-color: #ffffff;
}

@media screen and (min-width: 1024px) {
    selector  li a {
       height: 150px;
       width: 150px;
       margin: 5px;

    }
}
@media screen and (min-width: 767px) and (max-width: 1024px) {
    selector  li a {
       height: 150px;
       width: 150px;
       margin: 5px;

    }
}
@media screen and  (max-width: 767px) {
    selector  li a {
       height: 80px;
       width: 80px;
       margin: 10px;

    }
}