TuniLame

You will be able to configure the color, size, link and link’s target of each button and even add a defaut button for many posts. 
To use it, just take a look on the plugin’s configuration page which contains all the informations and settings for the default button. 
Add the button by using <code>[button color= size= link= target=]text that will be shown as button's value[/button]</code>
Attributes that can be used: 
* color: There is 7 different colors: pink, magenta, green, red, orange, blue and yellow 
* size: There is 4 different sizes: small, medium, large and super 
* link: The link of the button. Example: Your site’s URL http://mysite.com 
* target: The link’s targeted window, can be: blank, new, parent, self or top 
Exemple: <code>[button color=blue size=super link=http://twitter.com/tunilame]Follow me![/button]</code>
Simply add <code>[button]</code> in you posts when you want to use the defaut settings.

CSS3 Buttons

Add coloured CSS3 buttons on your posts using simply a shortcode.

vcaddon

Image Over Image is a <a href="https://1.envato.market/93O7W" rel="nofollow ugc">WPBakery Page Builder </a> Extension which will allow you to add image over image which changes image when you hover over a image. It contains pure CSS3 animations. You can also add link to the images.It is a multipurpose plugin you can use it to display your products,banners,portfolio,team etc.
Note: This requires <a href="https://1.envato.market/93O7W" rel="nofollow ugc">WPBakery Page Builder</a>
<a href="http://wpbakeryaddons.com/" rel="nofollow ugc">Live Demo</a>
Features
<ul>
<li> 10 Image Change Effects </li>
<li> Responsive Width and Height </li>
<li> External Linking </li>
<li> Link Targets </li>
<li> Unlimited Images </li>
<li> Simplest ever to use </li>
<li> Support within 24 hours </li>
</ul>

Image Over Image For WPBakery Page Builder

Add image over image which changes over hover with animations.

CSS3 Buttons vs Image Over Image For WPBakery Page Builder