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