Use CSS3 to implement blind focus map animation example code

This is a shutter focus image based on CSS3Animation. There are 4 different shutter animation styles. Each one seems very simple, but it is quite practical. What’s more noteworthy is that the plug-in provides 4 different blind effects, including horizontal blinds, vertical blinds, and fade-in and fade-out blinds. Moreover, the CSS3 blindsPicture switching plug-in is very smooth when switching, and the effect is very good.

Online demo source code download

We have listed the source code of one of the blind styles, and you can download the source file to view the others.

HTML code

<section class="cr-container">				
	<input id="select-img-1" name="radio-set-1" type="radio" class="cr-selector-img-1" checked/>
	<label for="select-img-1" class="cr-label-img-1">1</label>

	<input id="select-img-2" name="radio-set-1" type="radio" class="cr-selector-img-2" />
	<label for="select-img-2" class="cr-label-img-2">2</label>

	<input id="select-img-3" name="radio-set-1" type="radio" class="cr-selector-img-3" />
	<label for="select-img-3" class="cr-label-img-3">3</label>

	<input id="select-img-4" name="radio-set-1" type="radio" class="cr-selector-img-4" />
	<label for="select-img-4" class="cr-label-img-4">4</label>

	<p class="clr"></p>	
	<p class="cr-bgimg">
		<p>
			<span>Slice 1 - Image 1</span>
			<span>Slice 1 - Image 2</span>
			<span>Slice 1 - Image 3</span>
			<span>Slice 1 - Image 4</span>
		</p>
		<p>
			<span>Slice 2 - Image 1</span>
			<span>Slice 2 - Image 2</span>
			<span>Slice 2 - Image 3</span>
			<span>Slice 2 - Image 4</span>
		</p>
		<p>
			<span>Slice 3 - Image 1</span>
			<span>Slice 3 - Image 2</span>
			<span>Slice 3 - Image 3</span>
			<span>Slice 3 - Image 4</span>
		</p>
		<p>
			<span>Slice 4 - Image 1</span>
			<span>Slice 4 - Image 2</span>
			<span>Slice 4 - Image 3</span>
			<span>Slice 4 - Image 4</span>
		</p>
	</p>
	<p class="cr-titles">
		<h3 id="span-Serendipity-span-span-What-nbsp-you-ve-nbsp-been-nbsp-dreaming-nbsp-of-span"><span>Serendipity</span><span>What you&#39;ve been dreaming of</span></h3>
		<h3 id="span-Adventure-span-span-Where-nbsp-the-nbsp-fun-nbsp-begins-span"><span>Adventure</span><span>Where the fun begins</span></h3>
		<h3 id="span-Nature-span-span-Unforgettable-nbsp-eperiences-span"><span>Nature</span><span>Unforgettable eperiences</span></h3>
		<h3 id="span-Serenity-span-span-When-nbsp-silence-nbsp-touches-nbsp-nature-span"><span>Serenity</span><span>When silence touches nature</span></h3>
	</p>
</section>

CSS code:

.cr-container{
	width: 600px;
	height: 400px;
	position: relative;
	margin: 0 auto;
	border: 20px solid #fff;
	box-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}
.cr-container label{
	font-style: italic;
	width: 150px;
	height: 30px;
	cursor: pointer;
	color: #fff;
	line-height: 32px;
	font-size: 24px;
	float:left;
	position: relative;
	margin-top:350px;
	z-index: 1000;
}
.cr-container label:before{
	content:'';
	width: 34px;
	height: 34px;
	background: rgba(130,195,217,0.9);
	position: absolute;
	left: 50%;
	margin-left: -17px;
	border-radius: 50%;
	box-shadow: 0px 0px 0px 4px rgba(255,255,255,0.3);
	z-index:-1;
}
.cr-container label:after{
	width: 1px;
	height: 400px;
	content: '';
	background: -moz-linear-gradient(top, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(255,255,255,0)), color-stop(100%,rgba(255,255,255,1)));
	background: -webkit-linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%);
	background: -o-linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%);
	background: -ms-linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%);
	background: linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%);
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00ffffff', endColorstr='#ffffff',GradientType=0 );
	position: absolute;
	bottom: -20px;
	right: 0px;
}
.cr-container label.cr-label-img-4:after{
	width: 0px;
}
.cr-container input.cr-selector-img-1:checked ~ label.cr-label-img-1,
.cr-container input.cr-selector-img-2:checked ~ label.cr-label-img-2,
.cr-container input.cr-selector-img-3:checked ~ label.cr-label-img-3,
.cr-container input.cr-selector-img-4:checked ~ label.cr-label-img-4{
	color: #68abc2;
}
.cr-container input.cr-selector-img-1:checked ~ label.cr-label-img-1:before,
.cr-container input.cr-selector-img-2:checked ~ label.cr-label-img-2:before,
.cr-container input.cr-selector-img-3:checked ~ label.cr-label-img-3:before,
.cr-container input.cr-selector-img-4:checked ~ label.cr-label-img-4:before{
	background: #fff;
	box-shadow: 0px 0px 0px 4px rgba(104,171,194,0.6);
}
.cr-container input{
	display: none;
}
.cr-bgimg{
	width: 600px;
	height: 400px;
	position: absolute;
	left: 0px;
	top: 0px;
	z-index: 1;
}
.cr-bgimg{
	background-repeat: no-repeat;
	background-position: 0 0;
}
.cr-bgimg p{
	width: 150px;
	height: 100%;
	position: relative;
	float: left;
	overflow: hidden;
	background-repeat: no-repeat;
}
.cr-bgimg p span{
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0px;
	left: -150px;
	z-index: 2;
	text-indent: -9000px;
}
.cr-container input.cr-selector-img-1:checked ~ .cr-bgimg,
.cr-bgimg p span:nth-child(1){
	background-image: url(../images/1.jpg);
}
.cr-container input.cr-selector-img-2:checked ~ .cr-bgimg,
.cr-bgimg p span:nth-child(2){
	background-image: url(../images/2.jpg);
}
.cr-container input.cr-selector-img-3:checked ~ .cr-bgimg,
.cr-bgimg p span:nth-child(3){
	background-image: url(../images/3.jpg);
}
.cr-container input.cr-selector-img-4:checked ~ .cr-bgimg,
.cr-bgimg p span:nth-child(4){
	background-image: url(../images/4.jpg);
}
.cr-bgimg p:nth-child(1) span{
	background-position: 0px 0px;
}
.cr-bgimg p:nth-child(2) span{
	background-position: -150px 0px;
}
.cr-bgimg p:nth-child(3) span{
	background-position: -300px 0px;
}
.cr-bgimg p:nth-child(4) span{
	background-position: -450px 0px;
}

.cr-container input:checked ~ .cr-bgimg p span{
	-webkit-animation: slideOut 0.6s ease-in-out;
	-moz-animation: slideOut 0.6s ease-in-out;
	-o-animation: slideOut 0.6s ease-in-out;
	-ms-animation: slideOut 0.6s ease-in-out;
	animation: slideOut 0.6s ease-in-out;
}
@-webkit-keyframes slideOut{
	0%{ left: 0px; }
	100%{ left: 150px; }
}
@-moz-keyframes slideOut{
	0%{ left: 0px; }
	100%{ left: 150px; }
}
@-o-keyframes slideOut{
	0%{ left: 0px; }
	100%{ left: 150px; }
}
@-ms-keyframes slideOut{
	0%{ left: 0px; }
	100%{ left: 150px; }
}
@keyframes slideOut{
	0%{ left: 0px; }
	100%{ left: 150px; }
}
.cr-container input.cr-selector-img-1:checked ~ .cr-bgimg p span:nth-child(1),
.cr-container input.cr-selector-img-2:checked ~ .cr-bgimg p span:nth-child(2),
.cr-container input.cr-selector-img-3:checked ~ .cr-bgimg p span:nth-child(3),
.cr-container input.cr-selector-img-4:checked ~ .cr-bgimg p span:nth-child(4)
{
	-webkit-transition: left 0.5s ease-in-out;
	-moz-transition: left 0.5s ease-in-out;
	-o-transition: left 0.5s ease-in-out;
	-ms-transition: left 0.5s ease-in-out;
	transition: left 0.5s ease-in-out;
	-webkit-animation: none;
	-moz-animation: none;
	-o-animation: none;
	-ms-animation: none;
	animation: none;
	left: 0px;
	z-index: 10;
}
.cr-titles h3{
	position: absolute;
	width: 100%;
	text-align: center;
	top: 50%;
	z-index: 10000;
	opacity: 0;
	color: #fff;
	text-shadow: 1px 1px 1px rgba(0,0,0,0.1);
	-webkit-transition: opacity 0.8s ease-in-out;
	-moz-transition: opacity 0.8s ease-in-out;
	-o-transition: opacity 0.8s ease-in-out;
	-ms-transition: opacity 0.8s ease-in-out;
	transition: opacity 0.8s ease-in-out;
}
.cr-titles h3 span:nth-child(1){
	font-family: 'BebasNeueRegular', 'Arial Narrow', Arial, sans-serif;
	font-size: 70px;
	display: block;
	letter-spacing: 7px;
}
.cr-titles h3 span:nth-child(2){
	letter-spacing: 0px;
	display: block;
	background: rgba(104,171,194,0.9);
	font-size: 14px;
	padding: 10px;
	font-style: italic;
	font-family: Cambria, Palatino, "Palatino Linotype", "Palatino LT STD", Georgia, serif;
}
.cr-container input.cr-selector-img-1:checked ~ .cr-titles h3:nth-child(1),
.cr-container input.cr-selector-img-2:checked ~ .cr-titles h3:nth-child(2),
.cr-container input.cr-selector-img-3:checked ~ .cr-titles h3:nth-child(3),
.cr-container input.cr-selector-img-4:checked ~ .cr-titles h3:nth-child(4){
	opacity: 1;
}
/* Media Query: Let's show the inputs on mobile sized browsers because they probably don't support the label trick: */
@media screen and (max-width: 768px) {
	.cr-container input{
		display: inline;
		width: 24%;
		margin-top: 350px;
		z-index: 1000;
		position: relative;
	}
	.cr-container label{
		display: none;
	}

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