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