Element block pseudo-class :active generated with z-index auto overflow hidden font-size 16px display block position static font-weight normal float none line-height 1 padding 20px cursor default width 160px background border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto border 0px rgba(0,0,0,1) solid transition transform box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px