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Pemusatan - Cabaran CSS
- Linda Hamiltonasal
- 2024-11-05 16:20:02338semak imbas
Anda boleh menemui semua kod dalam siaran ini di repo Github.
Anda boleh menyemak visual di sini Vertical Center - CodeSandbox and Horizontal Center.
Memusatkan melalui CSS
Pemusatan menegak
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Centering</title>
<link rel="stylesheet" href="styles.css" />
</head>
<body>
<p class="center-by-absolute-margin">Centering</p>
<p class="center-by-pseudo-class">Centering</p>
<p class="center-by-line-height">Centering</p>
<p class="center-by-table">Centering</p>
<div class="center-by-flex">
<p>Centering</p>
</div>
<div class="center-by-grid">
<p>Centering</p>
</div>
<div class="center-by-absolute-parent">
<p class="center-by-absolute-child">Centering</p>
</div>
<p class="center-by-calc">Centering</p>
</body>
</html>
.center-by-absolute-margin {
position: absolute;
top: 0;
bottom: 0;
margin: auto 0;
}
.center-by-pseudo-class::before {
content: "";
display: inline-block;
height: 100%;
vertical-align: middle;
}
.center-by-line-height {
height: 200px;
line-height: 200;
}
.center-by-table {
display: table-cell;
vertical-align: middle;
}
.center-by-flex {
display: flex;
align-items: center;
}
.center-by-grid {
display: grid;
align-items: center;
}
.center-by-absolute-parent {
position: relative;
}
.center-by-absolute-child {
position: absolute;
top: 50%;
transform: translateY(-50%);
}
.center-by-calc {
height: 70px;
position: relative;
top: calc(50% - 35px);
}
Pemusatan mendatar
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Centering</title>
<link rel="stylesheet" href="styles.css" />
</head>
<body>
<p class="center-by-fixed-width">Centering</p>
<p class="center-by-text-align">Centering</p>
<div class="center-by-unfixed-width">
<span>Centering</span>
</div>
<p class="center-by-table">Centering</p>
<div class="center-by-flex">
<p>Centering</p>
</div>
<div class="center-by-grid">
<p>Centering</p>
</div>
<div class="center-by-absolute-parent">
<p class="center-by-absolute-child">Centering</p>
</div>
<p class="center-by-calc">Centering</p>
</body>
</html>
.center-by-fixed-width {
width: 70px;
margin: 0 auto;
}
.center-by-text-align {
text-align: center;
}
.center-by-unfixed-width {
text-align: center;
}
.center-by-table {
display: table;
margin: 0 auto;
}
.center-by-flex {
display: flex;
justify-content: center;
}
.center-by-grid {
display: grid;
justify-content: center;
}
.center-by-absolute-parent {
position: relative;
}
.center-by-absolute-child {
position: absolute;
left: 50%;
transform: translateX(-50%);
}
.center-by-calc {
width: 70px;
margin-left: calc(50% - 35px);
}
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