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