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