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