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