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