Set size of each item to be fixed for each slide Text and image in same slide where can this be accomplished....

[cheyennemtnman]

I am using responsive with some custom style
I would like to know how to set all slides to the same height Mobile view and Full Screen.
Right Now I have to use <br> to roughly get the slides to be the same size... I have an image and text in each division...

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<li style="width: 300px; height: 400px;">
	  <div>
		  <img src="images/Warehouse1.png" width="150" height="225" alt="" style=border-radius: 25px; /> 
	  <hgroup class="">
		  <span class="upp"><br>Warehouse Services</span>
	  </hgroup>
	  <p>We can provide cross docking, flexible freight staging and inventory management space to keep your operations moving...<br></p>
	  <a href="#">read more</a></div>
	  </li>

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I would like "read more" to be at the bottom of each slide in the same position from slide to slide no matter how many characters are in the <p> whatever is here....</p>
What I have now looks close to what I would like except for the shortening of the height with fewer characters in the <p> </p> elements. Any guidance is appreciated