Background-size: cover on hover zoom transition
<p>I want to make zoom effect when user hover link (div) with image background.</p>

<p>I don't know how to do it when i want to zoom only background not text! And i cant find the best way.</p>

<p>Here is a code (doesn't work as i want):</p>

<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-css lang-css prettyprint-override"><code>.light_blue {
  display: block;
  color: #fff;
  background-repeat: no-repeat;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-position: center;
  width: 100%;
}
a.light_blue:hover {
  text-decoration: none;
  color: #fcb428;
}
div.wrap {
  height: 33%;
  width: 33%;
  overflow: hidden;
  position: relative;
}
.wrap {
  -moz-transition: all .5s;
  -webkit-transition: all .8s;
  transition: all .8s;
  background-position: center center;
}
.wrap:hover {
  -webkit-background-size: 120%;
  -moz-background-size: 120%;
  -o-background-size: 120%;
  background-size: 120%;
}
.bg_flat {
  position: absolute;
  font-family: "Archivo Narrow";
  background: url(http://hokejfan.pl/hokej2015/kluby/img/black_bg4.png);
  background-size: contain;
  bottom: 0px;
  padding: 5px;
}
.bg_naglowek {
  text-transform: uppercase;
  font-size: 29px;
}
.bg_flat2 {
  position: absolute;
  background: url(../img/black_bg4.png);
  background-size: contain;
  font-family: "Archivo Narrow";
  bottom: 5px;
  width: -webkit-calc(100% - 10px);
  width: calc(100% - 10px);
  padding: 15px;
}</code></pre>
<pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="col-sm-4" style="padding: 5px;"&gt;
  &lt;a href="#news" class="light_blue wrap" style="background-image: url('http://hokejfan.pl/hokej2015/kluby/static/images2/48b51db749e3d9d992a61d289bc3c535.jpg'); height: 180px;"&gt;
    &lt;div class="bg_flat2"&gt;
      &lt;b class="bg_naglowek"&gt;Hello World&lt;/b&gt;
    &lt;/div&gt;
  &lt;/a&gt;
&lt;/div&gt;</code></pre>
</div>
</div>
</p>