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