input.error{
    border: 1px solid #E6594E;
}

input.highlight{
    border: 1px solid #7abd54;
}

label.error,label.tip{
    display: inline-block;
    font-size: 14px;
    text-align: left;
    margin-left: 5px;
    padding-left: 20px;
    color: red;
    background: url('error.png') no-repeat left center;
}

label.tip{
    color: #aaa;
    background: url('tip.png') no-repeat left center;
}

label.valid{
    background: url('valid.png') no-repeat left center;
    width: 32px;
}