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