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