Element block pseudo-element :before generated with font-size 0px border-radius position absolute padding 5px font-weight normal line-height normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition display inline-block border 0px rgba(0,0,0,1) solid opacity 1.00 box-sizing content-box background cursor default float none transform width 30px height auto overflow hidden margin 0px