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