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