Trang đầu tiên

Trang đầu tiên học về HTML

HTML

<body>

<h2>Set the height and width of elements</h2>

<p>Original image:</p>
<img class="one" src="http://timoday.edu.vn/wp-content/uploads/2017/08/ocean.jpg" width="300" height="300"><br>

<p>Sized image (200x200 pixels):</p>
<img class="two" src="http://timoday.edu.vn/wp-content/uploads/2017/08/ocean.jpg" width="300" height="300"><br>

<p>The height and width of this div element is 300px:</p>
<div class="three"></div>

</body>

CSS

img.one {
    height: auto;
}

img.two {
    height: 200px;
    width: 200px;
}


div.three {
    height: 300px;
    width: 300px;
    background-color: powderblue;
}