Resize Image Div with respect text div next to it - html

Question

I have design which needs and image and text align next to each other in div(using col-md-6)i need height image to be resize wrt text div.on tablet and mobile it has be 12 column layout
Here is my html code
<div class="row fixed-height">
<div class="col-md-6 full-screen-col img-head"></div><!--col for imag row ends here-->
<div class="col-md-6 cont-bg full-screen-col">
<div class="description_container">
<h1>JOIN OUR TEAM</h1>
<p>We except a lot from our team members, and we give a lot in return- like ongoing training, professional growth
opportunities and competitive benefits. if Gaspar's sounds like your kind of workplace, we'd love to hear from you</p>
</div>
</div><!--container for text details-->
</div><!--row fors slide container -->
Here is css used.
.fixed-height{
height: 300px;
overflow-y: hidden;
}
.img-head{
background-image: url(../images/Gaspars-Construction-Employee-Photo-1024x683.jpg);
background-size: cover;
height: 100%;
}
Little help is much appreciated. Thanks in advance

Answer 1

Add this,
<div class="row fixed-height">
<div class="col-md-6 col-sm-6 full-screen-col img-head"></div><!--col for imag row ends here-->
<div class="col-md-6 col-sm-6 cont-bg full-screen-col">
<div class="description_container">
<h1>JOIN OUR TEAM</h1>
<p>We except a lot from our team members, and we give a lot in return- like ongoing training, professional growth
opportunities and competitive benefits. if Gaspar's sounds like your kind of workplace, we'd love to hear from you</p>
</div>
</div><!--container for text details-->
</div><!--row fors slide container -->

Answer 2

This should work:
HTML
<div class="row fixed-height">
<div class="col-md-6 full-screen-col img-head">
<img src="https://dncache-mauganscorp.netdna-ssl.com/thumbseg/308/308116-bigthumbnail.jpg"/>
</div><!--col for imag row ends here-->
<div class="col-md-6 cont-bg full-screen-col">
<div class="description_container">
<h1>JOIN OUR TEAM</h1>
<p>We except a lot from our team members, and we give a lot in return- like ongoing training, professional growth opportunities and competitive benefits. if Gaspar's sounds like your kind of workplace, we'd love to hear from you</p>
</div>
</div><!--container for text details-->
</div><!--row fors slide container -->
CSS
.img-head{
float: left;
}