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