The photographs are overlying the next section (see screen shot attached)
I have copied and pasted the exact html from the download but it is almost as if there is a and or </div> command that is missing to tell the browser not to overlay. I suspect it is perhaps something in the [main.css] file, but 1187 lines and sections all over, I'm not sure where to start to look or what, if anything, to change.
Using the w3 validator didn't throw anything up as an error.
Any advice would be appreciated.
Thanks for reading
NormanW
html code as download
<h3 class="light">Gallery</h3>
<div class="rule heading-rule light">
<hr>
</div>
<div class="container-fluid instructional-container container-grid">
<div class="responsive-picture instructional-icon">
<picture><img alt="Placeholder Picture" src="./icons/icon-gallery-interaction.png">
</picture>
</div>
<h4 class="instructional-heading">Mouse hover for interactions</h4>
</div><a href="#" class="link-button-glyph btn goto-top"><span class="glyph-for-button goto-top"><i class="coffeecup-icons-arrow-up4">
</i></span></a>
<p class="paragraph paragraph-1"><strong>This gallery was made with just some CSS simply tricks.</strong> There are three classes for large, medium and small images. Each class uses different effect settings for rotation and box-shadow, both in regular and hover state. The z-index value moves the image up on hover. A specific design was applied for smaller devices so it looks always nice. Hit the Preview button in the toolbar to see the effects in action and enjoy these amazing shots by Airwolfhound.</p>
</div>
<div class="gallery container-grid">
<div class="responsive-picture gallery-image-XL">
<picture><img alt="Camping" src="./Gallery images/photo-1414016642750-7fdd78dc33d9.jpg">
</picture>
</div>
<div class="responsive-picture image-gallery-S">
<picture><img alt="Crossing the river" src="./Gallery images/photo-1444075107151-b2090be89337.jpg">
</picture>
</div>
<div class="responsive-picture gallery-image-M">
<picture><img alt="Grizzly bear" src="./Gallery images/MIbCzcvxQdahamZSNQ26_12082014-IMG_3526.jpg">
</picture>
</div>
<div class="responsive-picture gallery-image-M">
<picture><img alt="Horses on a landscap" src="./Gallery images/photo-1416592525293-e65266465eb7.jpg">
</picture>
</div>
<div class="responsive-picture gallery-image-M">
<picture><img alt="Robin" src="./306_gallery_images/15987778028_49c1a170a2_k.jpg">
</picture>
</div>
<div class="responsive-picture image-gallery-S">
<picture><img alt="Leaves" src="./306_gallery_images/photo-1445503061048-e03cd48b1f11.jpg">
</picture>
</div>
<div class="responsive-picture gallery-image-XL">
<picture><img alt="Road crossing the forest" src="./306_gallery_images/photo-1447746249824-4be4e1b76d66.jpg">
</picture>
</div>
<div class="responsive-picture gallery-image-XL">
<picture><!--[if IE 9]><video style="display: none;"><![endif]-->
<source srcset="./306_gallery_images/photo-1414105195225-2b7fc75ad12e.jpg" media="(min-width: 576px)"><!--[if IE 9]></video><![endif]--><img alt="Taking pictures" src="./306_gallery_images/photo-1449781499120-fbbded86c656.jpg">
</picture>
</div>
<div class="responsive-picture image-gallery-S">
<picture><img alt="Wild wolf" src="./306_gallery_images/photo-1415904663467-dfdc16cae794.jpg">
</picture>
</div>
<div class="responsive-picture gallery-image-M">
<picture><!--[if IE 9]><video style="display: none;"><![endif]-->
<source srcset="./306_gallery_images/photo-1449781499120-fbbded86c656.jpg" media="(min-width: 576px)"><!--[if IE 9]></video><![endif]--><img alt="Ferns" src="./306_gallery_images/photo-1414105195225-2b7fc75ad12e.jpg">
</picture>
</div>
<div class="responsive-picture image-gallery-S">
<picture><img alt="Small bird" src="./306_gallery_images/8490018262_61c9e5481d_k.jpg">
</picture>
</div>
</div>