Element button pseudo-element :after generated with box-sizing content-box transform box-shadow padding 20px opacity 1 overflow visible border 0px rgba(0,0,0,1) solid background font-weight normal position relative transition border-radius font-size 100px float none z-index auto display inline-block width auto margin 0px outline none text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto line-height 1 cursor default