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