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