.alert{padding:15px;margin-bottom:20px;border:1px solid transparent;border-radius:4px}.alert-success{background-color:#dff0d8;border-color:#d6e9c6;color:#3c763d}.alert-danger{background-color:#f2dede;border-color:#ebccd1;color:#a94442}.alert-warning{background-color:#fcf8e3;border-color:#faebcc;color:#8a6d3b}