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