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