CSS3-图片

圆角图片

img {
border-radius: 8px;
}

缩略图(用boder属性来创建)

img {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 5px;
}

响应式图片

         img {
    max- 100%;
    height: auto;
}

图片文本

.container {position: relative;}

.topleft {position: absolute; top: 8px; left: 16px; font-size:18px;}

img { 100%; height: auto;opacity: 0.3;}

图片滤镜

img {
-webkit-filter: grayscale(100%); /* Chrome, Safari, Opera */
filter: grayscale(100%);
}

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>图片</title> 

</head>
<body>
<style>
#image img{
    border-radius: 8px;
    width:400px;
    height: 300px;
}
#image1 img {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 5px;
    width:400px;
    height: 300px;
}
#image2{
    width: 800px;
}
#image2 img {
    max-width: 100%;
    height: auto;
}

/*文字图片*/
.container {
    position: relative;
}

.topleft {
    position: absolute;
    top: 8px;
    left: 16px;
    font-size: 18px;
}

.container img { 
    width: 100%;
    height: auto;
    /*opacity: 0.3;*/
}
/*图片滤镜*/
#image3 img {
  -webkit-filter: grayscale(100%); /* Chrome, Safari, Opera */
    filter: grayscale(100%);
}
</style>
<h2>圆角图片</h2>
<p>使用 border-radius 属性来创建圆角图片:</p>
<!-- 圆角 -->
<div id="image">
 <img src="images/1.jpg" alt="Paris">
</div>
<!-- 缩略图 -->
<div id="image1">
 <img src="images/1.jpg" alt="Paris">
</div>
<!-- 响应式 -->
<div id="image2">
 <img src="images/1.jpg" alt="Paris">
</div>
<!-- 文字 -->
<div class="container">
  <img src="images/1.jpg" alt="Norway">
  <div class="topleft"><a href="">左上角</a></div>
</div>
<div id="image3">
 <img src="images/1.jpg" alt="Paris">
</div>

<!-- 图片滤镜 -->

</body>
</html>

图片模态框

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>图片模态框</title> 
<style>
#myImg {
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

#myImg:hover {opacity: 0.7;}

/* 模态框 */
.modal {
    display: none; /*默认隐藏 */
    position: fixed; /* 固定布局 */
    z-index: 1; /*最上层 */
    padding-top: 100px; /* 内框距上100px */
    left: 0;/*离左边是0*/
    top: 0;/*离上边是0*/
    width: 100%; /* 宽度*/
    height: 100%; /* 高度设置 */
    overflow: auto; /* 超出部分显示滑轮 */
    background-color: rgb(0,0,0); /* 背景色 */
    background-color: rgba(0,0,0,0.9); /* 透明度 */
}

/* M模态框内容 */
.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 900px;
}

/*  */
#caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: 150px;
}

/* 动画 */
.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- 700px){
    .modal-content {
        width: 100%;
    }
}
</style>
</head>
<body>

<h2>图片模态框</h2>

<img id="myImg" src="images/1.jpg" alt="检察院" 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>
// 获取模态窗口
var modal = document.getElementById('myModal');

// 获取图片模态框，alt 属性作为图片弹出中文本描述
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;
}

// 获取 <span> 元素，设置关闭模态框按钮
var span = document.getElementsByClassName("close")[0];

// 点击 <span> 元素上的 (x), 关闭模态框
span.onclick = function() { 
    modal.style.display = "none";
}
</script>

</body>
</html>