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