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