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