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