Changing border color in mat-form-field

Question

I am using angular material mat-form-field. I have a dark background, and therefore am trying to change the border of the form-field to white. But I am not able

Answer 1

I think this will cover everything.

// mat-icon-stepper selected color change 
::ng-deep .mat-step-header .mat-step-icon-selected, .mat-step-header .mat-step-icon-state-done, .mat-step-header .mat-step-icon-state-edit {
    background-color: red!important;
}

//input outline color
::ng-deep .mat-form-field-appearance-outline .mat-form-field-outline {
    color: red!important;
    // opacity: 1!important;
}

//mat-input focused color
::ng-deep .mat-form-field-appearance-outline.mat-focused .mat-form-field-outline-thick {
    color: red!important;
}

// mat-input error outline color
::ng-deep .mat-form-field-appearance-outline.mat-form-field-invalid.mat-form-field-invalid .mat-form-field-outline-thick{
    color: red!important;
    opacity: 0.8!important;
}

// mat-input carent color
::ng-deep .mat-input-element {
    caret-color: red!important;
}

// mat-input error carent color
::ng-deep .mat-form-field-invalid .mat-input-element, .mat-warn .mat-input-element {
    caret-color: red!important;
}

// mat-label normal state style
::ng-deep .mat-form-field-label {
    color: rgba(0,0,0,.6)!important;
    // color: $mainColor!important;
}

// mat-label focused style
::ng-deep .mat-form-field.mat-focused .mat-form-field-label {
    color: red!important;
}

// mat-label error style
::ng-deep .mat-form-field.mat-form-field-invalid .mat-form-field-label {
    color: red!important;
}