.alert
{
padding: 10px;
margin: 5px;
border: 1px solid transparent;
border-radius: 4px;
text-align: center;
}

.alert-success {
color: #3c763d;
background-color: #dff0d8;
border-color: #d6e9c6;
}

.alert-danger {
color: #a94442;
background-color: #f2dede;
border-color: #ebccd1;
}