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