Cool CSS Notification Style With hover Effect

Cool CSS Notification Style With hover Effect

DEMO
HTML

<div class="alert-box error"><span>error: </span>Write your error message here.</div>
<div class="alert-box success"><span>success: </span>Write your success message here.</div>
<div class="alert-box warning"><span>warning: </span>Write your warning message here.</div>
<div class="alert-box notice"><span>notice: </span>Write your notice message here.</div>

CSS

.alert-box {
    color:#555;
    font-family:Tahoma, Geneva, Arial, sans-serif;
    font-size:11px;
    padding:10px 36px;
    margin:10px;
    color:#fff;
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    -khtml-border-radius: 5px;
    border-radius: 5px;
}
.alert-box span {
    font-weight:bold;
    text-transform:uppercase;
    letter-spacing: 1px;
}
.error {
    background:#e47c68 url(data:image/png;base64,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) no-repeat 10px 50%;
    border:1px solid #d46c57;
}
.error:hover {  background-color: #d46c57; }
.success {
    background:#4cbe83 url(data:image/png;base64,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) no-repeat 10px 50%;
    border:1px solid #36ad6f;
}
.success:hover { background-color: #36ad6f; }
.warning {
    background:#feb742 url(data:image/png;base64,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) no-repeat 10px 50%;
    border:1px solid #eda93b;
}
.warning:hover { background-color: #eda93b; }
.notice {
    background:#77d3e0 url(data:image/png;base64,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) no-repeat 10px 50%;
    border:1px solid #6cc8d4;
}
.notice:hover { background-color: #6cc8d4; }