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