Element block pseudo-class :active generated with height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto padding 20px cursor default overflow hidden transition width 159px float left font-weight normal border 2px rgba(81,219,210,1) solid line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) position static border-radius box-sizing content-box background font-size 16px margin 0px display block transform