Element block pseudo-element :before generated with border-radius overflow visible display block cursor default float none position static box-sizing content-box z-index auto transform padding 0px height auto border 0px rgba(0,0,0,1) solid width auto font-size 16px text-shadow 1px 1px 0px rgba(0,0,0,0.25) transition outline none opacity 1 margin 0px line-height 1 font-weight normal box-shadow background