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