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