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