Manual rujukan versi terkini CSS3
/ CSS 圖片
CSS 圖片
本章節(jié)將為大家介紹如何使用 CSS 來布局圖片。
圓角圖片
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
img {
border-radius: 8px;
}
</style>
</head>
<body>
<h2>圓角圖片</h2>
<p>使用 border-radius 屬性來創(chuàng)建圓角圖片:</p>
<img src="paris.jpg" alt="Paris" width="400" height="300">
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
img {
border-radius: 50%;
}
</style>
</head>
<body>
<h2>橢圓形圖片</h2>
<p>使用 border-radius 屬性來創(chuàng)建橢圓形圖片：</p>
<img src="paris.jpg" alt="Paris" width="400" height="300">
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
縮略圖
我們使用 border 屬性來創(chuàng)建縮略圖。
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
img {
border: 1px solid #ddd;
border-radius: 4px;
padding: 5px;
}
</style>
</head>
<body>
<h2>縮略圖</h2>
<p>我們使用 border 屬性來創(chuàng)建縮略圖。</p>
<img src="paris.jpg" alt="Paris" width="400" height="300">
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
a {
display: inline-block;
border: 1px solid #ddd;
border-radius: 4px;
padding: 5px;
transition: 0.3s;
}
a:hover {
box-shadow: 0 0 2px 1px rgba(0, 140, 186, 0.5);
}
</style>
</head>
<body>
<h2>縮略圖作為連接</h2>
<p>我們使用 border 屬性來創(chuàng)建縮略圖。在圖片外層添加一個(gè)鏈接。</p>
<p>點(diǎn)擊圖片查看效果：</p>
<a target="_blank" href="paris.jpg">
<img src="paris.jpg" alt="Paris" width="400" height="300">
</a>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
響應(yīng)式圖片
響應(yīng)式圖片會(huì)自動(dòng)適配各種尺寸的屏幕。
實(shí)例中，你可以通過重置瀏覽器大小查看效果:
如果你需要自由縮放圖片，且圖片放大的尺寸不大于其原始的最大值，則可使用以下代碼：
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
img {
max-width: 100%;
height: auto;
}
</style>
</head>
<body>
<h2>響應(yīng)式圖片</h2>
<p>響應(yīng)式圖片會(huì)自動(dòng)適配各種尺寸的屏幕。</p>
<p>通過重置瀏覽器大小查看效果:</p>
<img src="http://miracleart.cn/wp-content/uploads/2016/04/trolltunga.jpg" alt="Norway" width="1000" height="300">
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
提示: Web 響應(yīng)式設(shè)計(jì)更多內(nèi)容可以參考CSS 響應(yīng)式設(shè)計(jì)教程。
圖片文本
如何定位圖片文本:
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
.container {
position: relative;
}
.topleft {
position: absolute;
top: 8px;
left: 16px;
font-size: 18px;
}
img {
width: 100%;
height: auto;
opacity: 0.3;
}
</style>
</head>
<body>
<h2>圖片文本</h2>
<p>在圖片左上角添加文本信息:</p>
<div class="container">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/trolltunga.jpg" alt="Norway" width="1000" height="300">
<div class="topleft">左上角</div>
</div>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
.container {
position: relative;
}
.topright {
position: absolute;
top: 8px;
right: 16px;
font-size: 18px;
}
img {
width: 100%;
height: auto;
opacity: 0.3;
}
</style>
</head>
<body>
<h2>圖片文本</h2>
<p>在圖片右上角添加文本信息:</p>
<div class="container">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/trolltunga.jpg" alt="Norway" width="1000" height="300">
<div class="topright">右上角</div>
</div>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
.container {
position: relative;
}
.bottomleft {
position: absolute;
bottom: 8px;
left: 16px;
font-size: 18px;
}
img {
width: 100%;
height: auto;
opacity: 0.3;
}
</style>
</head>
<body>
<h2>圖片文本</h2>
<p>在圖片左下角添加文本信息:</p>
<div class="container">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/trolltunga.jpg" alt="Norway" width="1000" height="300">
<div class="bottomleft">左下角</div>
</div>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
.container {
position: relative;
}
.bottomright {
position: absolute;
bottom: 8px;
right: 16px;
font-size: 18px;
}
img {
width: 100%;
height: auto;
opacity: 0.3;
}
</style>
</head>
<body>
<h2>圖片文本</h2>
<p>在圖片右下角添加文本信息:</p>
<div class="container">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/trolltunga.jpg" alt="Norway" width="1000" height="300">
<div class="bottomright">右下角</div>
</div>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
.container {
position: relative;
}
.center {
position: absolute;
left: 0;
top: 50%;
width: 100%;
text-align: center;
font-size: 18px;
}
img {
width: 100%;
height: auto;
opacity: 0.3;
}
</style>
</head>
<body>
<h2>圖片文本</h2>
<p>在圖片中間位置添加文本信息:</p>
<div class="container">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/trolltunga.jpg" alt="Norway" width="1000" height="300">
<div class="center">居中</div>
</div>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
卡片式圖片
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
body {margin:25px;}
div.polaroid {
width: 80%;
background-color: white;
box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
margin-bottom: 25px;
}
div.container {
text-align: center;
padding: 10px 20px;
}
</style>
</head>
<body>
<h2>響應(yīng)式卡片</h2>
<div class="polaroid">
<img src="rock600x400.jpg" alt="Norway" style="width:100%">
<div class="container">
<p>The Troll's tongue in Hardanger, Norway</p>
</div>
</div>
<div class="polaroid">
<img src="lights600x400.jpg" alt="Norway" style="width:100%">
<div class="container">
<p>Northern Lights in Norway</p>
</div>
</div>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
圖片濾鏡
CSS filter 屬性用為元素添加可視效果 (例如：模糊與飽和度) 。
注意: Internet Explorer或 Safari 5.1 (及更早版本) 不支持該屬性。
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
img {
width: 33%;
height: auto;
float: left;
max-width: 235px;
}
.blur {-webkit-filter: blur(4px);filter: blur(4px);}
.brightness {-webkit-filter: brightness(250%);filter: brightness(250%);}
.contrast {-webkit-filter: contrast(180%);filter: contrast(180%);}
.grayscale {-webkit-filter: grayscale(100%);filter: grayscale(100%);}
.huerotate {-webkit-filter: hue-rotate(180deg);filter: hue-rotate(180deg);}
.invert {-webkit-filter: invert(100%);filter: invert(100%);}
.opacity {-webkit-filter: opacity(50%);filter: opacity(50%);}
.saturate {-webkit-filter: saturate(7); filter: saturate(7);}
.sepia {-webkit-filter: sepia(100%);filter: sepia(100%);}
.shadow {-webkit-filter: drop-shadow(8px 8px 10px green);filter: drop-shadow(8px 8px 10px green);}
</style>
</head>
<body>
<p><strong>注意:</strong> Internet Explorer <span lang="no-bok">或 Safari 5.1 (及更早版本)</span> 不支持該屬性。</p>
<img src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="blur" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="brightness" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="contrast" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="grayscale" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="huerotate" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="invert" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="opacity" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="saturate" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="sepia" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<img class="shadow" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
提示: 訪問 CSS 濾鏡參考手冊(cè) 查看更多內(nèi)容。
響應(yīng)式圖片相冊(cè)
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
div.img {
border: 1px solid #ccc;
}
div.img:hover {
border: 1px solid #777;
}
div.img img {
width: 100%;
height: auto;
}
div.desc {
padding: 15px;
text-align: center;
}
* {
box-sizing: border-box;
}
.responsive {
padding: 0 6px;
float: left;
width: 24.99999%;
}
@media only screen and (max-width: 700px){
.responsive {
width: 49.99999%;
margin: 6px 0;
}
}
@media only screen and (max-width: 500px){
.responsive {
width: 100%;
}
}
.clearfix:after {
content: "";
display: table;
clear: both;
}
</style>
</head>
<body>
<h2 style="text-align:center">響應(yīng)式圖片相冊(cè)</h2>
<div class="responsive">
<div class="img">
<a target="_blank" href="img_fjords.jpg">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/img_fjords.jpg" alt="Trolltunga Norway" width="300" height="200">
</a>
<div class="desc">Add a description of the image here</div>
</div>
</div>
<div class="responsive">
<div class="img">
<a target="_blank" href="img_forest.jpg">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/img_forest.jpg" alt="Forest" width="600" height="400">
</a>
<div class="desc">Add a description of the image here</div>
</div>
</div>
<div class="responsive">
<div class="img">
<a target="_blank" href="img_lights.jpg">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/img_lights.jpg" alt="Northern Lights" width="600" height="400">
</a>
<div class="desc">Add a description of the image here</div>
</div>
</div>
<div class="responsive">
<div class="img">
<a target="_blank" href="img_mountains.jpg">
<img src="http://miracleart.cn/wp-content/uploads/2016/04/img_mountains.jpg" alt="Mountains" width="600" height="400">
</a>
<div class="desc">Add a description of the image here</div>
</div>
</div>
<div class="clearfix"></div>
<div style="padding:6px;">
<h4>重置瀏覽器大小查看效果</h4>
</div>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例
圖片 Modal(模態(tài))
本實(shí)例演示了如何結(jié)合 CSS 和 JavaScript 來一起渲染圖片。
首先，我們使用 CSS 來創(chuàng)建 modal 窗口 (對(duì)話框), 默認(rèn)是隱藏的。
然后，我們使用 JavaScript 來顯示模態(tài)窗口，當(dāng)我們點(diǎn)擊圖片時(shí)，圖片會(huì)在彈出的窗口中顯示：
實(shí)例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)(php.cn)</title>
<style>
#myImg {
border-radius: 5px;
cursor: pointer;
transition: 0.3s;
}
#myImg:hover {opacity: 0.7;}
/* The Modal (background) */
.modal {
display: none; /* Hidden by default */
position: fixed; /* Stay in place */
z-index: 1; /* Sit on top */
padding-top: 100px; /* Location of the box */
left: 0;
top: 0;
width: 100%; /* Full width */
height: 100%; /* Full height */
overflow: auto; /* Enable scroll if needed */
background-color: rgb(0,0,0); /* Fallback color */
background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
}
/* Modal Content (image) */
.modal-content {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
}
/* Caption of Modal Image */
#caption {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
text-align: center;
color: #ccc;
padding: 10px 0;
height: 150px;
}
/* Add Animation */
.modal-content, #caption {
-webkit-animation-name: zoom;
-webkit-animation-duration: 0.6s;
animation-name: zoom;
animation-duration: 0.6s;
}
@-webkit-keyframes zoom {
from {-webkit-transform: scale(0)}
to {-webkit-transform: scale(1)}
}
@keyframes zoom {
from {transform: scale(0.1)}
to {transform: scale(1)}
}
/* The Close Button */
.close {
position: absolute;
top: 15px;
right: 35px;
color: #f1f1f1;
font-size: 40px;
font-weight: bold;
transition: 0.3s;
}
.close:hover,
.close:focus {
color: #bbb;
text-decoration: none;
cursor: pointer;
}
/* 100% Image Width on Smaller Screens */
@media only screen and (max-width: 700px){
.modal-content {
width: 100%;
}
}
</style>
</head>
<body>
<h2>圖片模態(tài)框</h2>
<p>本實(shí)例演示了如何結(jié)合 CSS 和 JavaScript 來一起渲染圖片。</p><p>
首先，我們使用 CSS 來創(chuàng)建 modal 窗口 (對(duì)話框), 默認(rèn)是隱藏的。<p>
<p>然后，我們使用 JavaScript 來顯示模態(tài)窗口，當(dāng)我們點(diǎn)擊圖片時(shí)，圖片會(huì)在彈出的窗口中顯示：</p>
<img id="myImg" src="http://miracleart.cn/wp-content/uploads/2016/04/img_lights.jpg" alt="Northern Lights, Norway" width="300" height="200">
<!-- The Modal -->
<div id="myModal" class="modal">
<span class="close">×</span>
<img class="modal-content" id="img01">
<div id="caption"></div>
</div>
<script>
// 獲取模態(tài)窗口
var modal = document.getElementById('myModal');
// 獲取圖片模態(tài)框，alt 屬性作為圖片彈出中文本描述
var img = document.getElementById('myImg');
var modalImg = document.getElementById("img01");
var captionText = document.getElementById("caption");
img.onclick = function(){
modal.style.display = "block";
modalImg.src = this.src;
modalImg.alt = this.alt;
captionText.innerHTML = this.alt;
}
// 獲取 <span> 元素，設(shè)置關(guān)閉模態(tài)框按鈕
var span = document.getElementsByClassName("close")[0];
// 點(diǎn)擊 <span> 元素上的 (x), 關(guān)閉模態(tài)框
span.onclick = function() {
modal.style.display = "none";
}
</script>
</body>
</html>運(yùn)行實(shí)例 ?
點(diǎn)擊 "運(yùn)行實(shí)例" 按鈕查看在線實(shí)例