Angular Material mdInput border around the control

Question

I would like to style my mdInput control to have a black box around it:

    <md-form-field>
      <input type="text" mdInput [(ngModel)]="row.price" placeholder="Price">
    </md-form-field>

I tried to put a div around the input control with style="border: 1px solid black;" however it is creating border only around the input control itself. I tried to add border to md-form-field but it puts border only on the left and right (yet judging by height if I would be able to get border on top and bottom it looks like I would be able to achieve) any way to achieve that?

Answer 1

Recommended way to override default Material2 styles is to use ViewEncapsulation. deep, ::ng-deep and >>> are depreciated and maybe dropped in future (official documentation).

The shadow-piercing descendant combinator is deprecated and support is being removed from major browsers and tools. As such we plan to drop support in Angular (for all 3 of /deep/, >>> and ::ng-deep).

---

To set a border for the input, include the following in your component.ts:

import { ViewEncapsulation } from '@angular/core';

@Component({
    ....
    encapsulation: ViewEncapsulation.None
})

... then just add the following in your component styles:

/* To display a border for the input */
.mat-input-flex.mat-form-field-flex{
   border: 1px solid black;
}

/* To remove the default underline */
.mat-input-underline.mat-form-field-underline {
   background: transparent;
}

/* To remove the underline ripple */
.mat-input-ripple.mat-form-field-ripple{
   background-color: transparent; 
}

Here is a working demo.