Element block pseudo-class :active generated with font-size 16px background box-sizing content-box padding 0px text-shadow 1px 1px 2px rgba(0,0,0,0.5) transition box-shadow float none line-height 1 font-weight normal position static z-index auto display block border-radius border 0px rgba(0,0,0,1) solid height auto width auto margin 0px transform overflow visible cursor default