Element block pseudo-element :after generated with position static border 0px rgba(0,0,0,1) solid height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 overflow hidden transform border-radius font-size 16px transition width 160px margin 2px display block padding 20px cursor default font-weight normal background z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-sizing content-box float none