Change the css code to override the color of the background material

Hey there, I'm facing an issue with overriding the background color of a material element. I've tried several methods but can't seem to get it to change.

After inspecting the element on the web browser, I found the CSS code that controls the color I want to change:

.form-control-wrapper .material-input::before {
position: absolute;
content: "";
width: 100%;
left: 0;
height: 2px;
background-color: #009587;
bottom: -1px;
-webkit-transform: scaleX(0);
-ms-transform: scaleX(0);
transform: scaleX(0);
transition: -webkit-transform 0s;
transition: transform 0s;}

I've attempted to modify this code without success, as the material color remains unchanged. Any suggestions or ideas would be greatly appreciated. Thank you!

In addition, let's add some more content:

<span class="material-input"></span>

The above code snippet contains both before and after events, with the 'before' section responsible for the background color.

Here is the HTML structure calling the CSS material:

<div class="row">
    <div class="col-lg-8 col-lg-offset-2">
        <div class="input-group">
            <span class="input-group-addon"><span id="icon" class="mdi mdi-social-person"></span></span>
            <input name="message" id="message" type="text" class="form-control" placeholder="Choose an username" aria-describedby="basic-addon1" maxlength="768">
            <span class="input-group-btn">
                <button id="send" class="btn btn-primary btn-flat">Connect</button>
            </span>
        </div>
    </div>
</div>

Answer №1

Consider utilizing the !important markup:

.form-control-wrapper .material-input::before {
    position: absolute;
    content: "";
    width: 100%;
    left: 0;
    height: 2px;
    background-color: #009587 !important;
    bottom: -1px;
    -webkit-transform: scaleX(0);
    -ms-transform: scaleX(0);
    transform: scaleX(0);
    transition: -webkit-transform 0s;
    transition: transform 0s;
}

This directive takes precedence over any other previously defined styles.

Answer №2

Ignore the previous advice about using !important, as it is not considered the best practice. When needing to override material styles that are not visible or used in HTML, consider using the ::ng-deep pseudo-class selector in combination with the :host selector.

:host {
    ::ng-deep {
        .form-control-wrapper .material-input::before {
            background-color: #009587;
        }
    }
}

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