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