<div class="header">
<h1>Website Tìm Ở Đây</h1>
</div>
<div class="topnav">
<a href="#">Trang chủ</a>
<a href="#">Tin tức</a>
<a href="#">Thủ thuật</a>
</div>
<div class="row">
<div class="column side">
<h2>Side</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit..</p>
</div>
<div class="column middle">
<h2>Main Content</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas sit amet pretium urna. Vivamus venenatis velit nec neque ultricies, eget elementum magna tristique. Quisque vehicula, risus eget aliquam placerat, purus leo tincidunt eros, eget luctus quam orci in velit. Praesent scelerisque tortor sed accumsan convallis.</p>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas sit amet pretium urna. Vivamus venenatis velit nec neque ultricies, eget elementum magna tristique. Quisque vehicula, risus eget aliquam placerat, purus leo tincidunt eros, eget luctus quam orci in velit. Praesent scelerisque tortor sed accumsan convallis.</p>
</div>
<div class="column side">
<h2>Side</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit..</p>
</div>
</div>
CSS
* {
box-sizing: border-box;
}
body {
margin: 0;
}
/* Định dạng tiêu đề*/
.header {
background-color: dimgrey;
color: chartreuse;
padding: 20px;
text-align: center;
}
/* Định dạng thanh điều hướng*/
.topnav {
overflow: hidden;
background-color: #333;
}
/* Định dạng liên kết điều hướng */
.topnav a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
/* Định dạng màu khi di chuột */
.topnav a:hover {
background-color: #ddd;
color: black;
}
/* /*Tạo ba cột bằng nhau xếp bên cạnh nhau */ */
.column {
float: left;
padding: 10px;
}
/* Cột trái và phải */
.column.side {
width: 25%;
}
/* Cột giữa */
.column.middle {
width: 50%;
}
/* Xóa float sau các cột */
.row:after {
content: "";
display: table;
clear: both;
}
/* Bố cục linh hoạt: ba cột xếp chồng lên nhau thay vì cạnh nhau khi màn hình có chiều rộng dưới 600px */
@media screen and (max-width: 600px) {
.column.side, .column.middle {
width: 100%;
}
}
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