Element block pseudo-element :before generated with line-height 1 margin 0px font-weight normal border-radius width 100% padding 21px overflow hidden position relative font-size 16px float none transition height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block border 0px rgba(0,0,0,1) solid cursor default box-sizing content-box background box-shadow -1px 3px 8px rgba(0,0,0,0.3) z-index auto transform