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