icono/stylus/icons/bars.styl

Pure CSS Icons

.icono-bars{
    width: $20;
    height: $2;
    box-shadow: inset 0 0 0 $32, 0 -1*$6, 0 $6;
    margin: $16 $7;

}
.icono-hamburger{
    @extend .icono-bars
}