.icono-rss{
    square($22);
    overflow: hidden;
    margin: $6;
    &:before, &:after{
        position: absolute;
        border-radius: 50%;

}
    &:before{
        square($6);
        box-shadow: 0 0 $32 inset;
        left: 0;
        bottom: 0;

}
    &:after{
        square($27);
        right: 15%;
        top: 15%;
        border: $4 solid transparent;
        box-shadow: inset 0 0 0 $2, 0 0 0 $2;

}

}