auto zoom in n out CSS (apple-like slideshow effect) - html

Question

I like pretty much the slow auto zoom in and out effect on that site : http://watchingtheworldcup.com/ for banner images such as the very top one.
I tired to replicate it, by looking at developer tools wihtin browser, but have some trouble implementing it as in developper tool some mentions are stroked etc.
here is my html :
<div class="row">
<div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
<a href="#">
<article class="article_container">
<img class="article_image_hompage5" src="#">
<h2 class="article_title_hompage3"> a favourite thai soup</h2>
</article>
</a>
</div>
</div>
and my css for the image :
.article_image_hompage5{
width: 100%;
border-radius: 2px 2px 2px 2px;
position:relative;
display:block;
margin-left:auto;
margin-right:auto;
margin-top:15px;
z-index:0;
}
Can someone help with with finding the right css settings ?
cheers,

Answer 1

Use css animation you can get the similar result.
/* Chrome, Safari, Opera */
#-webkit-keyframes zoom {
from {
-webkit-transform: scale(1,1);
}
to {
-webkit-transform: scale(1.5,1.5);
}
}
/* Standard syntax */
#keyframes zoom {
from {
transform: scale(1,1);
}
to {
transform: scale(1.5,1.5);
}
}
img {
-webkit-animation: zoom 50s; /* Chrome, Safari, Opera */
animation: zoom 50s;
}
<img alt="" src="http://watchingtheworldcup.com/photos/worldcup1.jpg" />

Answer 2

If you want to also zoom out you need to define the the milestones in your keyframes as such:
#-webkit-keyframes zoominout {
0% {
-webkit-transform: scale(1,1);
}
50% {
-webkit-transform: scale(1.5,1.5);
}
100% {
-webkit-transform: scale(1.1,1.1);
}
}

Answer 3

Use css transform:scale();
like:
JavaScript:
window.onload=function(){
$("#content").fadeOut(4000);
$("#background").addClass("zoom");
setTimeout(function(){
$("#background").removeClass("zoom");
},5000);
}
body{
margin:0px;
padding:0px;
width:100%;
height:100%;
}
#background{
position:absolute;
top:0px;
left:0px;
width:100%;
height:100%;
background:url("http://watchingtheworldcup.com/photos/worldcup1.jpg") center center no-repeat;
background-size: 100% 100%;
display:inline-block;
z-index:2;
transition:all ease 4.1s;
/* transform:scale(1,1);*/
}
#content{
position:absolute;
top:0px;
left:0px;
width:100%;
height:100%;
z-index:3;
background-color:rgba(0,0,0,0.5);
color:#ffffff;
font-size:50px;
}
.zoom{
transform:scale(1.2,1.2);
}
HTML:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<div id="background">
</div>
<div id="content">
<center><br /><br /><br /><br /><br /><br />
Watching...
</center>
</div>