1) position.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {margin: 0; padding: 0; box-sizing: border-box;}
body {
height: 3000px;
}
div {
width: 200px;
height: 200px;
background-color: tomato;
border: 3px solid #333;
}
div:nth-child(2) {
position: fixed;
top: 0;
right: 0;
}
</style>
</head>
<body>
<div>box1</div>
<div>box2</div>
<div>box3</div>
<div>box4</div>
</body>
</html>
2) position_02.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box;}
#parent {
width: 1000px;
background: lightblue;
margin: 0 auto;
height: 500px;
position: relative; /* 기준이 된다! */
}
#children {
width: 100%;
height: 200px;
background: aquamarine;
position: absolute; /* 원래는 브라우저 크기만큼이지만 다른 요소들의 속성이 relative이면 그것을 기준으로 한다! */
top: 0;
left: 0;
}
ul {
width: 1000px;
margin: 0 auto;
padding: 40px;
}
li {
float: left;
width: 25%;
text-align: center;
list-style: none;
background-color: aqua;
line-height: 60px;
position: relative;
}
a { text-decoration: none; color: inherit;}
li::after {
content: "";
display: block;
width: 3px;
height: 40px;
background-color: tomato;
position: absolute;
right: 0px;
top: 10px;
}
</style>
</head>
<body>
<div id="parent">
부모div
<div id="children">자식div</div>
</div>
<ul>
<li><a href="#">menu1</a></li>
<li><a href="#">menu2</a></li>
<li><a href="#">menu3</a></li>
<li><a href="#">menu4</a></li>
</ul>
</body>
</html>
3) position_03.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box;}
#parent {
width: 1000px;
height: 400px;
background-color: lightblue;
position: relative;
}
.children {
width: 100px;
height: 100px;
background-color: tomato;
border: 3px solid #333;
}
.children:nth-child(1) {
z-index: 10;
position: relative;
}
.children:nth-child(2) {
position: absolute;
top: 50px;
z-index: 5;
}
</style>
</head>
<body>
<div id="parent">
<div class="children">자식div</div>
<div class="children">자식div</div>
</div>
</body>
</html>
4) position_sticky.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box;}
#parent1 {
width: 1200px;
margin: 0 auto;
height: 1300px;
background-color: yellow;
position: relative;
}
#parent2 {
width: 1200px;
margin: 0 auto;
height: 1300px;
background-color: blue;
}
#children {
width: 200px;
height: 200px;
position: sticky; /* fixed와 다르게 부모요소 안에서만 고정이 됨 */
left: 200px;
top: 200px;
background-color: tomato;
}
</style>
</head>
<body>
<div id="parent1">
첫번째 div
<div id="children">자식div</div>
</div>
<div id="parent2">
두번째 div
</div>
</body>
</html>'노력이 좋아서' 카테고리의 다른 글
| <step19>'css_flex' (0) | 2022.04.14 |
|---|---|
| <step18>'css_hover,position_실습' (0) | 2022.04.13 |
| <step17>'css_hover' (0) | 2022.04.12 |
| <step17>'css_실습' (0) | 2022.04.11 |
| <step16>'css_float, before, after' (0) | 2022.04.11 |