✅ (beginner) Align child to left, parent to the middle

<div>
            <div class="header">
                <div class="logo">
                    <AppLogoIcon 
                        width="200"
                        height="200" />
                </div>
                <div class="icon-buttons">
                    <AddNewDiagramIconButton
                        width="100"
                        height="100"
                        onClick={() => addNewDiagram()}
                        className="btn btn-link"
                        label={<AddNewDiagramIconButton />}
                    />                    
                    <ChooseSchemaIconButton 
                        width="100" 
                        height="100" 
                        onClick={() => chooseSchema}
                        className="btn btn-link"
                        label={<ChooseSchemaIconButton />}
                    />    
                </div>
            </div>