.msg {
    float: left;
    width: 100%;
    padding: 20px;
}

.msg .container{
    border-radius: 4px;
    background-color: #f9f9f9;
    padding: 10px;
    float: left;
    width: 100%;    
    font-size: 14px;
    color: #333;
    text-align: center;
}    

.btn {
    display: inline-block;
    margin-left: 5px;
}