Element block pseudo-element :after generated with display block transition padding 20px border-radius z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static border 0px rgba(0,0,0,1) solid font-size 16px background float none line-height 1 width 160px cursor default box-sizing content-box margin 0px height auto font-weight normal text-shadow 1px 1px 0px rgba(0,0,0,0.25) transform overflow hidden