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