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) font-weight normal height auto padding 20px display block position static font-size 16px width 160px border-radius border 0px rgba(0,0,0,1) solid background z-index auto transform overflow hidden margin 0px float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default