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