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