カテゴリー: CSS

[CSS]What is !important?

What is !important?

The !important rule in CSS is used to add more importance to a property/value than normal.

Example
<!DOCTYPE html>
<html>
<head>
<style>
#myid {
  background-color: blue;
}

.myclass {
  background-color: gray;
}

p {
  background-color: red !important;
}
</style>
</head>
<body>

<p>This is some text in a paragraph.</p>

<p class="myclass">This is some text in a paragraph.</p>

<p id="myid">This is some text in a paragraph.</p>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
#myid {
  background-color: blue !important;
}

.myclass {
  background-color: gray !important;
}

p {
  background-color: red !important;
}
</style>
</head>
<body>

<p>This is some text in a paragraph.</p>

<p class="myclass">This is some text in a paragraph.</p>

<p id="myid">This is some text in a paragraph.</p>

</body>
</html>

[CSS]CSSのidとclassの使い分け[CSS]

CSSのidとclassの使い分け

HTML
<h1>こんにちは</h1>
<p class="red">私の名前は田中太郎です</p>
<h1>こんにちは</h1>
<p class="blue">私の名前は田中次郎です</p>
<p id="green">よろしくお願いします</p>

CSS
h1 {
  color: orange;
}
.red {
  color: red;
}
.blue {
  color: blue;
}
#green {
  color: green;
}