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