Is it possible to eliminate all inline styles on a parent element using a child element in CSS?

I'm currently working on an Angular project and I need to remove the styling of the parent element by using the child element, based on certain conditions. It's important to note that the parent element has inline styling.

My code looks something like this:

<form style="background-color: red; padding: 5px"
 class="my-form">
<div>
<div>
  <button class="my-btn">click me</button>
</div>
</div>

CSS Styles

.my-btn {
  color: #fff;
  background-color: #000;
  border: none;
  outline: none;
  padding: 5px 12px;
  cursor: pointer;
}

Answer №1

Although a child element typically cannot directly impact the styling of its parent, there are workarounds that can achieve similar effects. However, the usefulness of these approaches depends on the specific desired outcome.

By utilizing the provided code snippet, it becomes feasible to create an illusion of changing the background color of the form by placing a pseudo-element on the button. This pseudo-element is absolutely positioned and sized relative to the form rather than the button itself. CSS variables set on the button can be inherited by its pseudo-element, as demonstrated with the background color in this case.

.my-form {
  position: relative;
  display: inline-block;
  z-index: -2;
}

.my-btn {
  color: #fff;
  background-color: #000;
  border: none;
  outline: none;
  padding: 5px 12px;
  cursor: pointer;
}

.my-btn::before {
  content: '';
  background-color: var(--bg);
  display: inline-block;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: absolute;
  z-index: -1;
}
<form style="background-color: red; padding: 5px" class="my-form">
  <div>
    <div>
      <button class="my-btn" style="--bg: blue;">click me</button>
    </div>
  </div>

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