Element block pseudo-element :before generated with padding 20px position static z-index auto box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius background cursor default height auto line-height 1 font-weight normal font-size 16px transform display block overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none margin 0px transition width 160px border 0px rgba(0,0,0,1) solid