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