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