.top-alert {
    position: fixed;
    top: 5%;
    width: 100%;
    z-index: 100000;
    left: 0;
    padding: 20px;
    display: inline-block;
    text-align: center;
}

    .top-alert .alert {
        width: auto !important;
        height: 100%;
        display: block;
        position: relative;
        margin: 0;
    }
        .top-alert .alert .top-alert {
            font-size:large;
        }
        .top-alert .alert .close {
            position: absolute;
            z-index: 100001;
            top: 11px;
            right: 10px;
            color: inherit;
        }