鼠标点击图片放大css(鼠标点击图片放大)

CSS3 实现鼠标滑过图片，block以中心为原点进行放大

要实现鼠标放在block上以中心为原点进行放大，可以利用CSS3的transform和transition来实现

CSS3的transform: scale()可以按比例放大或缩小block的功能。

css鼠标放上去图片变大

给图片的容器设定高度宽度，在设置一个鼠标经过效果，div:hover img{}，设置这里的图片宽度高度

如何用CSS实现鼠标经过 图片放大的效果

源码如下

!DOCTYPE?html????

html????

head????

?meta?charset="UTF-8"????

?titleCSS3鼠标滑过图片放大特效DEMO演示/title????

?style????

html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px?dotted}b,strong{font-weight:bold}dfn{font-style:italic}h1{font-size:2em;margin:0.67em?0}mark{background:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em?40px}hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace,?monospace;font-size:1em}button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}button{overflow:visible}button,select{text-transform:none}button,html?input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}button[disabled],html?input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type="checkbox"],input[type="radio"]{-moz-box-sizing:border-box;box-sizing:border-box;padding:0}input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{height:auto}input[type="search"]{-webkit-appearance:textfield;-moz-box-sizing:content-box;box-sizing:content-box}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}fieldset{border:1px?solid?#c0c0c0;margin:0?2px;padding:0.35em?0.625em?0.75em}legend{border:0;padding:0}textarea{overflow:auto}optgroup{font-weight:bold}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}????

/style????

???style????

@import?url("");????

*?{????

?margin:?0;????

?padding:?0;????

?box-sizing:?border-box;????

}????

body?{????

?font:?14px/1?Lato,?sans-serif;????

?color:?#555;????

?background:?#eee;????

}????

.gallery?{????

?width:?790px;????

?margin:?30px?auto;????

?padding:?5px;????

?background:?#333;????

}????

.gallery??div?{????

?position:?relative;????

?float:?left;????

?padding:?5px;????

}????

.gallery??div??img?{????

?width:?250px;????

?transition:?.1s?transform;????

?transform:?translateZ(0);????

?/*?hack?*/????

}????

.gallery??div:hover?{????

?z-index:?1;????

}????

.gallery??div:hover??img?{????

?transform:?scale(1.5,?1.5);????

?transition:?.3s?transform;????

}????

.cf:before,?.cf:after?{????

?display:?table;????

?content:?"";????

?line-height:?0;????

}????

.cf:after?{????

?clear:?both;????

}????

h1?{????

?margin:?40px?0;????

?font-size:?24px;????

?text-align:?center;????

?text-transform:?uppercase;????

}????

footer?{????

?margin:?80px?0;????

?text-align:?center;????

}????

/style????

???script?src="js/prefixfree.min.js"/script????

/head????

body????

div?class="gallery?cf"????

?div????

???img?src="landscape-test-1_1x.jpg"?/????

?/div????

?div????

???img?src="iceberg_1x.jpg"?/????

?/div????

?div????

???img?src="igloo-800_1x.jpg"?/????

?/div????

?div????

???img?src="trees_1x.jpg"?/????

?/div????

?div????

???img?src="space_1x.jpg"?/????

?/div????

?div????

???img?src="render1_1x.jpg"?/????

?/div????

/div????

div?style="text-align:center;clear:both;"????

script?src="/gg_bd_ad_720x90.js"?type="text/javascript"/script????

script?src="/follow.js"?type="text/javascript"/script????

/div????

/body????

/html