Element block pseudo-class :active generated with text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) border-radius margin 0px font-weight normal height auto font-size 16px background transition float left z-index auto line-height 1 opacity 0.30 display inline-block box-sizing border-box cursor default overflow hidden padding 20px border 0px rgba(0,0,0,1) solid width 160px