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