.incore-dropzone {
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
}

    .incore-dropzone > .dz-default.dz-message{
        display:flex;
    }

        .incore-dropzone > .dz-default.dz-message > .dz-button {
            display: flex;
        }