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