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