css如何实现图片边框运动动画

这篇文章给大家分享的是有关css如何实现图片边框运动动画的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。如何实现图片的边框运动，这点在一些移动端的效果的经常应用，下面是图标边框运动实现代码：

@import url(http://fonts.useso.com/css?family=Lato:300,400,700|Ruthie);

@font-face {

font-weight: normal;

font-style: normal;

font-family: ‘codropsicons’;

src: url(‘../fonts/codropsicons/codropsicons.eot’);

src: url(‘../fonts/codropsicons/codropsicons.eot?#iefix’) format(’embedded-opentype’), url(‘../fonts/codropsicons/codropsicons.woff’) format(‘woff’), url(‘../fonts/codropsicons/codropsicons.ttf’) format(‘truetype’), url(‘../fonts/codropsicons/codropsicons.svg#codropsicons’) format(‘svg’);

}

*,

*:after,

*:before {

-webkit-box-sizing: border-box;

-moz-box-sizing: border-box;

box-sizing: border-box;

}

.clearfix:before,

.clearfix:after {

content: ”;

display: table;

}

.clearfix:after {

clear: both;

}

body {

background: #2c3e50;

color: #ecf0f1;

font-size: 100%;

line-height: 1.25;

font-family: ‘Lato’, Arial, sans-serif;

}

a {

color: #95a5a6;

text-decoration: none;

outline: none;

}

a:hover,

a:focus {

color: #fff;

}

.codrops-header {

margin: 0 auto;

padding: 2em;

text-align: center;

}

.codrops-header h2 {

margin: 0;

font-weight: 300;

font-size: 2.5em;

}

.codrops-header h2 span {

display: block;

padding: 0 0 0.6em 0.1em;

font-size: 0.6em;

opacity: 0.7;

}

/* To Navigation Style */

.codrops-top {

width: 100%;

text-transform: uppercase;

font-weight: 700;

font-size: 0.69em;

line-height: 2.2;

}

.codrops-top a {

display: inline-block;

padding: 0 1em;

text-decoration: none;

letter-spacing: 1px;

}

.codrops-top span.right {

float: right;

}

.codrops-top span.right a {

display: block;

float: left;

}

.codrops-icon:before {

margin: 0 4px;

text-transform: none;

font-weight: normal;

font-style: normal;

font-variant: normal;

font-family: ‘codropsicons’;

line-height: 1;

speak: none;

-webkit-font-smoothing: antialiased;

}

.codrops-icon-drop:before {

content: “e001”;

}

.codrops-icon-prev:before {

content: “e004”;

}

section {

padding: 4em 2em;

text-align: center;

}

section h3 {

font-weight: 300;

font-size: 2em;

padding: 1em 0;

}

.codrops-header+section {

padding-top: 1.5em;

}

.related p {

font-size: 1.5em;

}

.related>a {

background: rgba(0, 0, 0, 0.05);

display: inline-block;

text-align: center;

margin: 20px 10px;

padding: 25px;

-webkit-transition: color 0.3s, background-color 0.3s;

transition: color 0.3s, background-color 0.3s;

}

.related a:hover {

background-color: rgba(0, 0, 0, 0.4);

}

.related a img {

max-width: 100%;

opacity: 0.8;

-webkit-transition: opacity 0.3s;

transition: opacity 0.3s;

}

.related a:hover img,

.related a:active img {

opacity: 1;

}

.related a h4 {

margin: 0;

padding: 0.5em 0 0.3em;

max-width: 300px;

text-align: left;

}

@media screen and (max-width: 25em) {

.codrops-icon span {

display: none;

}

}

.box {

width: 300px;

height: 460px;

position: relative;

background: rgba(255, 255, 255, 1);

display: inline-block;

margin: 0 10px;

cursor: pointer;

color: #2c3e50;

box-shadow: inset 0 0 0 3px #2c3e50;

-webkit-transition: background 0.4s 0.5s;

transition: background 0.4s 0.5s;

}

.box:hover {

background: rgba(255, 255, 255, 0);

-webkit-transition-delay: 0s;

transition-delay: 0s;

}

.box h4 {

font-family: “Ruthie”, cursive;

font-size: 180px;

line-height: 370px;

margin: 0;

font-weight: 400;

width: 100%;

}

.box span {

display: block;

font-weight: 400;

text-transform: uppercase;

letter-spacing: 1px;

font-size: 13px;

padding: 5px;

}

.box h4,

.box span {

-webkit-transition: color 0.4s 0.5s;

transition: color 0.4s 0.5s;

}

.box:hover h4,

.box:hover span {

color: #fff;

-webkit-transition-delay: 0s;

transition-delay: 0s;

}

.box svg {

position: absolute;

top: 0;

left: 0;

}

.box svg line {

stroke-width: 3;

stroke: #ecf0f1;

fill: none;

-webkit-transition: all .8s ease-in-out;

transition: all .8s ease-in-out;

}

.box:hover svg line {

-webkit-transition-delay: 0.1s;

transition-delay: 0.1s;

}

.box svg line.top,

.box svg line.bottom {

stroke-dasharray: 330 240;

}

.box svg line.left,

.box svg line.right {

stroke-dasharray: 490 400;

}

.box:hover svg line.top {

-webkit-transform: translateX(-600px);

transform: translateX(-600px);

}

.box:hover svg line.bottom {

-webkit-transform: translateX(600px);

transform: translateX(600px);

}

.box:hover svg line.left {

-webkit-transform: translateY(920px);

transform: translateY(920px);

}

.box:hover svg line.right {

-webkit-transform: translateY(-920px);

transform: translateY(-920px);

}

/* Alternatives */

/* Color */

.demo-2 .box {

box-shadow: inset 0 0 0 10px #2c3e50;

}

.demo-2 .box:hover h4,

.demo-2 .box:hover span {

color: #fe6f83;

}

.demo-2 .box svg line {

stroke-width: 8;

}

.demo-2 .box:hover svg line {

stroke: #fe6f83;

}

/* Frame */

.demo-3 .box {

background: rgba(0, 0, 0, 0);

color: #fff;

box-shadow: none;

-webkit-transition: background 0.3s;

transition: background 0.3s;

}

.demo-3 .box:hover {

background: rgba(0, 0, 0, 0.4);

}

.demo-3 .box h4,

.demo-3 .box span {

-webkit-transition: none;

transition: none;

}

.demo-3 .box svg line {

-webkit-transition: all .5s;

transition: all .5s;

}

.demo-3 .box:hover svg line {

stroke-width: 10;

-webkit-transition-delay: 0s;

transition-delay: 0s;

}

.demo-3 .box:hover svg line.top {

-webkit-transform: translateX(-300px);

transform: translateX(-300px);

}

.demo-3 .box:hover svg line.bottom {

-webkit-transform: translateX(300px);

transform: translateX(300px);

}

.demo-3 .box:hover svg line.left {

-webkit-transform: translateY(460px);

transform: translateY(460px);

}

.demo-3 .box:hover svg line.right {

-webkit-transform: translateY(-460px);

transform: translateY(-460px);

}

/* Spin */

.demo-4 .box {

box-shadow: none;

background: rgba(0, 0, 0, 0.4);

-webkit-transition: none;

transition: none;

color: #fff;

}

.demo-4 .box h免费云主机、域名4,

.demo-4 .box span {

-webkit-transform: scale(0.9);

transform: scale(0.9);

-webkit-backface-visibility: hidden;

backface-visibility: hidden;

-webkit-transition: -webkit-transform 0.5s;

transition: transform 0.5s;

}

.demo-4 .box:hover h4,

.demo-4 .box:hover span {

-webkit-transform: scale(1);

transform: scale(1);

}

.demo-4 .box svg line {

stroke-width: 30;

-webkit-transition: all .4s;

transition: all .4s;

}

.demo-4 .box:hover svg line {

-webkit-transition-delay: 0s;

transition-delay: 0s;

}

.demo-4 .box:hover svg line {

stroke-width: 0;

}

.demo-4 .box svg line.top,

.demo-4 .box svg line.bottom {

stroke-dasharray: 300;

}

.demo-4 .box svg line.left,

.demo-4 .box svg line.right {

stroke-dasharray: 460;

}

.demo-4 .box:hover svg line.top {

-webkit-transform: translateX(-300px);

transform: translateX(-300px);

}

.demo-4 .box:hover svg line.bottom {

-webkit-transform: translateX(300px);

transform: translateX(300px);

}

.demo-4 .box:hover svg line.left {

-webkit-transform: translateY(460px);

transform: translateY(460px);

}

.demo-4 .box:hover svg line.right {

-webkit-transform: translateY(-460px);

transform: translateY(-460px);

}