How can I adjust the padding and width attributes of the mat-menu in Angular 5

Today, I am struggling with a piece of code. Whenever I click on the Details button, it is supposed to open a mat-menu. However, for some reason, I cannot seem to adjust the padding or width of the menu:

<div id="box-upload" [hidden]="hiddenBoxUpload" *ngIf="filesExist">
    <button mat-raised-button color="primary" [matMenuTriggerFor]="listFiles">Details</button>
    <mat-menu class="filesList" #listFiles="matMenu">
        <div *ngFor="let key of listkey">
            <div *ngIf="detailsExist">
                <!-- some stuff like mat-progress-bar and span>
            </div>  
        </div>
    </mat-menu>
</div>

CSS code:

.filesList {
   width: auto;
   padding: 15px;
}

I'm looking for ways to customize the default padding and width of a mat-menu. Any suggestions?

htmlcssangulartypescriptangular-material

Answer №1

If you wish to customize the padding of all mat-menus in your project, there are two ways to achieve this:

.mat-menu-content {
    padding: 30px;
}

Alternatively, you can utilize ::ng-deep in your component style sheet.

::ng-deep .mat-menu-content {
    padding: 30px;
}

Both solutions mentioned above will enable you to adjust the default padding of all mat-menus within your project.

According to this response on Stack Overflow, it is advised to continue using ::ng-deep until an alternative is introduced...

Looking for an alternative to ::ng-deep?

If you intend to target a specific mat-menu only, you should incorporate your custom class in your CSS selectors.

::ng-deep .filesList .mat-menu-content{
    padding: 30px;
}

Update:

To expand the width of the mat-menu without causing a scroll bar to appear, tweak the width of the root container cdk-overlay-pane... Altering the width of the mat-menu-content makes that container wider than the root container, leading to a scroll bar due to its placement within the root container cdk-overlay-pane. Try the following approach to widen the mat-menu sans creating a scroll bar.

::ng-deep .cdk-overlay-pane .filesList{
    min-width:600px;
}

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