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