Element button pseudo-element :after generated with padding 40px cursor default transform width 160px line-height 1 margin 25px outline none transition z-index auto height auto border 0px rgba(0,0,0,1) solid font-size 16px font-weight normal box-sizing content-box border-radius display inline-block opacity 1 float left overflow auto position relative background box-shadow 4px 4px 8px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2)