Understanding the importance of CSS selector priority levels

Recently, I have been delving into the CSS priority level of selectors based on this page: https://www.w3.org/wiki/CSS/Training/Priority_level_of_selector. However, I encountered an issue:

* {
  margin: 0;
  padding: 0;
}
.see-me,
ul li {
  width: 300px;
  height: 300px;
  border: 1px solid red;
}
/* [0,0,0,2] */

ul li {
  background: yellow; color: red;
}
/* [0,0,10,0] */

.see-me {
  background: gray; color: blue;

}
<div class="see-me">
  <ul>
    <li>.see-me has a higher priority level [0,0,10,0], so why is the font color not blue, but red?</li>
  </ul>
</div>

The font color should be blue, yet it appears as red! You can view the DEMO for reference.

Answer №1

With the see-me attribute set to true, the background of the element turns gray. Due to the ul element being nested within the div that contains this attribute, it overlays the gray background.

Answer №2

Because you couldn't spot see-me!

* {
  margin: 0;
  padding: 0;
}
.see-me,
ul li {
  width: 100%;
  border: 1px solid red;
}
/* [0,0,0,2] */

ul li {
  background: yellow;
}
/* [0,0,10,0] */

.see-me {
  height:300px;
  background: gray;
}
<div class="see-me">
  <ul>
    <li>.see-me has higher priority level [0,0,10,0], so why is the background not gray, but yellow ?</li>
  </ul>
</div>

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