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