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