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