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