Slideshow CSS with img preview

<style>
/* FoulsCode.blogspot.gr */
body {
-webkit-font-smoothing: subpixel-antialiased;
background-color: rgb(243, 243, 243);
}
#warp {
  width: 90%;
max-width: 800px;
background: #f400a0;
margin: 30px auto;
overflow: hidden;
box-shadow: 0 3px 5px rgba(0, 0, 0, 0.75);
-moz-box-shadow: 0 3px 5px rgba(0, 0, 0, 0.75);
-webkit-box-shadow: 0 3px 5px rgba(0, 0, 0, 0.75);
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
}
ul#gallery-container {
position: relative;
width: 100%;
max-width: 800px;
height: auto;
padding: 52% 0 10px;
margin: 0;
text-align: center;
display: block;
}
li.gallery-item {display: inline-block;width: 10%;cursor:pointer;*display:inline;}
img.gallery-preview{
background: white;
    margin: 0;
    padding: 5% 5% 15%;
    *padding: 2px 2px 10px;
    position: relative;
    top: 0;
    width: 85%;
    height: auto;
    max-height: 45px;
    border-radius: 3px;
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    overflow: hidden;
    -webkit-transition: all 0.3s ease-out .2s;
    -moz-transition: all 0.3s ease-out .2s;
    -o-transition: all 0.3s ease-out .2s;
    transition: all 0.3s ease-out .2s;
}
ul#gallery-container:hover li img.gallery-preview{opacity: 0.5;}
ul#gallery-container:hover li:hover img.gallery-preview{opacity: 1;}
input.gallery-selector:checked ~ label.gallery-label>img.gallery-preview,
ul#gallery-container:hover li:hover img.gallery-preview:hover{
z-index: 5;
box-shadow: 0 4px 5px rgba(0, 0, 0, 0.75);
-moz-box-shadow: 0 4px 5px rgba(0, 0, 0, 0.75);
-webkit-box-shadow: 0 4px 5px rgba(0, 0, 0, 0.75);
-webkit-transform: scale(1.25);
-moz-transform: scale(1.25);
-o-transform: scale(1.25);
transform: scale(1.25);
-webkit-transform-origin: bottom center;
-moz-transform-origin: bottom center;
-o-transform-origin: bottom center;
transform-origin: bottom center;
-webkit-transition: all 0.3s ease-out;
-moz-transition: all 0.3s ease-out;
-o-transition: all 0.3s ease-out;
transition: all 0.3s ease-out;
}
ul#gallery-container:hover li:hover img.gallery-preview:hover {z-index: 20;}
input.gallery-selector:checked ~ label.gallery-label>img.gallery-preview{background: #f400a0}
input.gallery-selector:checked ~ label.gallery-label:before{
content: " ";
position: relative;
width: 0;
height: 0;
border-left: 10px solid transparent;
border-right: 10px solid transparent;
border-bottom: 20px solid #f400a0;
top: -30px;
}
img.gallery-fullsize {
position: absolute;
top: 0px;
left: 0px;
display: block;
width: 100%;
height: auto;
z-index: -1;
opacity: 0;
-webkit-transform: scale(0.25);
-moz-transform: scale(0.25);
-o-transform: scale(0.25);
transform: scale(0.25);
-webkit-transform-origin: bottom center;
-moz-transform-origin: bottom center;
-o-transform-origin: bottom center;
transform-origin: bottom center;
-webkit-transition: all 0.3s ease-out;
-moz-transition: all 0.3s ease-out;
-o-transition: all 0.3s ease-out;
transition: all 0.3s ease-out;
}
ul#gallery-container:hover li.gallery-item:active img.gallery-fullsize{
z-index: 50;
opacity: 0.75;
border-radius: 10%;
-webkit-border-radius: 10%;
-moz-border-radius: 10%;
-webkit-transform-origin: bottom center;
-moz-transform-origin: bottom center;
-o-transform-origin: bottom center;
transform-origin: bottom center;
-webkit-transition: all 0.3s ease-out .2s;
-moz-transition: all 0.3s ease-out .2s;
-o-transition: all 0.3s ease-out .2s;
transition: all 0.3s ease-out .2s;
}
ul#gallery-container:hover li:hover input.gallery-selector:checked ~ img.gallery-fullsize{z-index: 10;opacity: 1;border-radius: 0;-moz-border-radius: 0;-webkit-border-radius: 0;}
input.gallery-selector:checked ~ img.gallery-fullsize {
display: block;
opacity: 1;
z-index: 10;
-webkit-transform: scale(1);
-moz-transform: scale(1);
-o-transform: scale(1);
transform: scale(1);
-webkit-transform-origin: top center;
-moz-transform-origin: top center;
-o-transform-origin: top center;
transform-origin: top center;
-webkit-transition: all .2s ease-in .3s;
-moz-transition: all .2s ease-in .3s;
-o-transition: all .2s ease-in .3s;
transition: all .2s ease-in .3s;
}
input.gallery-selector {display: none;}
label.gallery-label {cursor: pointer;}
</style>
<div id="warp">
<ul id="gallery-container">
  <li class="gallery-item">
<input checked="checked" type="radio" name="gallery-list" class="gallery-selector" value="1.jpg" id="gallery-item1" />
<img src="http://lorempixel.com/400/200/sports" class="gallery-fullsize"  alt="location bateau 135ch" />
<label for="gallery-item1" class="gallery-label">
<img src="http://lorempixel.com/76/50/sports" class="gallery-preview"  alt="location bateau 135ch"/>
</label>
</li>
<li class="gallery-item">
<input type="radio" name="gallery-list" class="gallery-selector" value="2.jpg" id="gallery-item2" />
<img src="http://lorempixel.com/400/200/sports/1" class="gallery-fullsize"  alt="location bateau 135ch" />
<label for="gallery-item2" class="gallery-label">
<img src="http://lorempixel.com/76/50/sports/1" class="gallery-preview"  alt="location bateau 135ch"/>
</label>
</li>
<li class="gallery-item">
<input type="radio" name="gallery-list" class="gallery-selector" value="3.jpg" id="gallery-item3" />
<img src="http://lorempixel.com/400/200/sports/2" class="gallery-fullsize"  alt="location bateau 135ch" />
<label for="gallery-item3" class="gallery-label">
<img src="http://lorempixel.com/76/50/sports/2" class="gallery-preview"  alt="location bateau 135ch"/>
</label>
</li>
<li class="gallery-item">
<input type="radio" name="gallery-list" class="gallery-selector" value="4.jpg" id="gallery-item4" />
<img src="http://lorempixel.com/400/200/sports/3" class="gallery-fullsize"  alt="location bateau 135ch" />
<label for="gallery-item4" class="gallery-label">
<img src="http://lorempixel.com/76/50/sports/3" class="gallery-preview"  alt="location bateau 135ch"/>
</label>
</li>
<li class="gallery-item">
<input type="radio" name="gallery-list" class="gallery-selector" value="5.jpg" id="gallery-item5" />
<img src="http://lorempixel.com/400/200/sports/4" class="gallery-fullsize"  alt="location bateau 135ch" />
<label for="gallery-item5" class="gallery-label">
<img src="http://lorempixel.com/76/50/sports/4" class="gallery-preview"  alt="location bateau 135ch"/>
</label>
</li>
<li class="gallery-item">
<input type="radio" name="gallery-list" class="gallery-selector" value="6.jpg" id="gallery-item6" />
<img src="http://lorempixel.com/400/200/sports/5" class="gallery-fullsize"  alt="location bateau 135ch" />
<label for="gallery-item6" class="gallery-label">
<img src="http://lorempixel.com/76/50/sports/5" class="gallery-preview"  alt="location bateau 135ch"/>
</label>
</li>
<li class="gallery-item">
<input type="radio" name="gallery-list" class="gallery-selector" value="7.jpg" id="gallery-item7" />
<img src="http://lorempixel.com/400/200/sports/6" class="gallery-fullsize"  alt="location bateau 135ch" />
<label for="gallery-item7" class="gallery-label">
<img src="http://lorempixel.com/76/50/sports/6" class="gallery-preview"  alt="location bateau 135ch"/>
</label>
</li>
</ul>
</div>