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