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