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