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