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