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