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