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