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