Element block pseudo-class :active generated with border 0px rgba(0,0,0,1) solid margin 0px font-weight normal overflow hidden box-sizing content-box display inline-block background transition padding 20px box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default height auto position static border-radius float left transform width 160px font-size 16px line-height 1