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