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