.alert {
    position:absolute;
    top:10%;
    left:10%;
    width:80%;
    margin-left:auto;
    z-index: 500000;
    background: #ffffff;
    padding: 10px 20px;
}
    .alert .btn-close {
        margin-right:10px;
        font-size:14px;
        font-weight:bold;
    }
.alert-danger {
        background: #ff8989;
}
.alert-success {
        background: #c6ffc9;
}
.alert-warning {
        background: #ffd9a2;
}