Stop angular material css styles from affecting neighboring components

Currently, I have overridden the angular material style in my global SCSS style as follows:

.mat-form-field-infix{
   padding: 0.5em 0 0.5em 0 !important;
}

However, I now need to apply a different padding to the same element in my component for additional space to display more data. In my component SCSS style, I have done the following:

:host ::ng-deep .mat-form-field-infix{
   padding: 0.2em 0 0.2em 0 !important;
}

The issue is that this last styling propagates to all components upon loading. How can I prevent this from happening?

Answer №1

It's important to note that the use of ::ng-deep is on track to be deprecated. You can find more information about this in the Special selectors section.

One approach you can take, similar to Yuriy's suggestion, is if you need additional padding for all elements inside the my-roomy-component, you can target it from your global styles like this:

my-roomy-component .mat-form-field-infix {
  padding: 0.2em 0 0.2em 0 !important;
}

Furthermore, as Yuriy recommends, increase the specificity of the selector to apply padding without using !important. Another option is to set the view encapsulation of the outer component to None to make its styles global, but still maintain scoping through CSS selectors.

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