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