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