Full height tiles. What's wrong?

Question

css

I can't understand what's the matter... it is necessary that the group of pictures stretch to its full height, so that this gap does not shine at the bottom. Ulkit. Screenshot and code attached. Help joxi.ru/vAWna4oHkGjbd2

<div class="uk-child-width-1-2" uk-grid>
       <div>
           <img src="images/tfAZnVsLqtY.jpg" alt="">
       </div>
       <div class="uk-child-width-1-2" uk-grid>
           <div><img src="images/IMG_9953.JPG" alt=""></div>
           <div><img src="images/IMG_9958.JPG" alt=""></div>
           <div><img src="images/IMG_9987.JPG" alt=""></div>
           <div><img src="images/IMG_9990.JPG" alt=""></div>
       </div>
   </div>

Answer 1

Just flex
https://jsfiddle.net/3940rLtw/
You have a lot of extra wrappers, you can do without them at all.
Since you decided to keep the CSS secret, adjust the sizes yourself.