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