minio/browser/app/less/inc/alert.less

.alert {
    position: fixed;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    color: @white;
    width: 100%;
    padding: 1.5rem 4rem 1.5rem 2rem;
    z-index: 1000000;
    .animation-duration(800ms);
    .animation-fill-mode(both);
    font-size: @font-size-small;
    word-wrap: break-word;

    &:not(.alert--upload) {
        text-align: center;
        top: 1.5rem;
        max-width: 500px;
        border-radius: @border-radius-base;

        @media(min-width: (@screen-sm-min)) {
            left: 50%;
            margin-left: -250px;
        }
    }

    @media(max-width: (@screen-xs-max)) {
        left: 1.5rem;
        width: ~"calc(100% - 4rem)";
        max-width: 100%;
    }

    .progress {
        margin: 0.75rem 0;
        height: 0.25rem;
        box-shadow: none;
        background-color: rgba(255,255,255,0.2);
        border-radius: 2px;
        overflow: hidden;
    }

    .progress-bar {
        box-shadow: none;
        background-color: @white;
        height: 100%;
    }

    .close {
        top: 1.3rem;
        right: 1.5rem;
    }
}

.alert-danger {
    background: @red;
}

.alert-success {
    background: @green;
}

.alert-info {
    background: @blue;
}

.alert--upload {
    bottom: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.15);
}