Element block pseudo-class :active generated with margin 0px box-sizing content-box overflow visible height 100px width 150px cursor default padding 200px font-size 16px transform text-shadow position static background line-height 1 opacity 1 font-weight normal z-index auto border 3px rgba(0,0,0,1) solid box-shadow 0px 0px 4px rgba(0,0,0,0.5) outline none display block transition border-radius float none