.alert {
    position:absolute;
    color:#555;
    text-align: center;
    width:400px;
    border-radius:10px;
    font-family:Tahoma,Geneva,Arial,sans-serif;font-size:20px;
    padding:10px 10px 10px 36px;
    margin-top: 100px;
    margin-left:auto;
    margin-right:auto;
    margin-bottom:25px;
    background:#ffecec  url('/images/error.png') no-repeat 10px 50%;
    border:1px solid #f5aca6;
    z-index:1000;
}
.warning {
    position:absolute;
    color:#555;
    text-align: center;
    width:400px;
    border-radius:10px;
    font-family:Tahoma,Geneva,Arial,sans-serif;font-size:20px;
    padding:10px 10px 10px 36px;
    margin-top: 100px;
    margin-left:auto;
    margin-right:auto;
    margin-bottom:25px;
    background:#ffddaa  url('/images/warning.png') no-repeat 10px 50%;
    border:1px solid #ff9900;
    z-index:1000;
}
.inf {
    position:absolute;
    color:#555;
    text-align: center;
    width:400px;
    border-radius:10px;
    font-family:Tahoma,Geneva,Arial,sans-serif;font-size:20px;
    padding:10px 10px 10px 36px;
    margin-top: 100px;
    margin-left:auto;
    margin-right:auto;
    margin-bottom:25px;
    background:#e9ffd9 url('/images/success.png') no-repeat 10px 50%;
    border:1px solid #a6ca8a;
    z-index:1000;
}