<div class="options">
   <div class="option active" style="--optionBackground:url(https://66.media.tumblr.com/6fb397d822f4f9f4596dff2085b18f2e/tumblr_nzsvb4p6xS1qho82wo1_1280.jpg);">
      <div class="shadow"></div>
      <div class="label">
         <div class="icon">
            <i class="fas fa-walking"></i>
         </div>
         <div class="info">
            <div class="main">Blonkisoaz</div>
            <div class="sub">Omuke trughte a otufta</div>
         </div>
      </div>
   </div>
   <div class="option" style="--optionBackground:url(https://66.media.tumblr.com/8b69cdde47aa952e4176b4200052abf4/tumblr_o51p7mFFF21qho82wo1_1280.jpg);">
      <div class="shadow"></div>
      <div class="label">
         <div class="icon">
            <i class="fas fa-snowflake"></i>
         </div>
         <div class="info">
            <div class="main">Oretemauw</div>
            <div class="sub">Omuke trughte a otufta</div>
         </div>
      </div>
   </div>
   <div class="option" style="--optionBackground:url(https://66.media.tumblr.com/5af3f8303456e376ceda1517553ba786/tumblr_o4986gakjh1qho82wo1_1280.jpg);">
      <div class="shadow"></div>
      <div class="label">
         <div class="icon">
            <i class="fas fa-tree"></i>
         </div>
         <div class="info">
            <div class="main">Iteresuselle</div>
            <div class="sub">Omuke trughte a otufta</div>
         </div>
      </div>
   </div>
   <div class="option" style="--optionBackground:url(https://66.media.tumblr.com/5516a22e0cdacaa85311ec3f8fd1e9ef/tumblr_o45jwvdsL11qho82wo1_1280.jpg);">
      <div class="shadow"></div>
      <div class="label">
         <div class="icon">
            <i class="fas fa-tint"></i>
         </div>
         <div class="info">
            <div class="main">Idiefe</div>
            <div class="sub">Omuke trughte a otufta</div>
         </div>
      </div>
   </div>
   <div class="option" style="--optionBackground:url(https://66.media.tumblr.com/f19901f50b79604839ca761cd6d74748/tumblr_o65rohhkQL1qho82wo1_1280.jpg);">
      <div class="shadow"></div>
      <div class="label">
         <div class="icon">
            <i class="fas fa-sun"></i>
         </div>
         <div class="info">
            <div class="main">Inatethi</div>
            <div class="sub">Omuke trughte a otufta</div>
         </div>
      </div>
   </div>
</div>

<a href="http://victorofvalencia-blog.tumblr.com" target="_blank" class="credit">Photos from Victor of Valencia on tumblr</a>
$optionDefaultColours: #ED5565,#FC6E51,#FFCE54,#2ECC71,#5D9CEC,#AC92EC;

body {
   display:flex;
   flex-direction:row;
   justify-content:center;
   align-items:center;
   overflow:hidden;
   height:100vh;
   
   font-family: 'Roboto', sans-serif;
   .credit {
      position: absolute;
      bottom:20px;
      left:20px;
      
      color:#000;
   }
   .options {
      display:flex;
      flex-direction:row;
      align-items:stretch;
      overflow:hidden;

      min-width:600px;
      max-width:900px;
      width:calc(100% - 100px);
      
      height:400px;
      
      @for $i from 1 through 4 {
         @media screen and (max-width:798px - $i*80) {
            min-width:600px - $i*80;
            .option:nth-child(#{6-$i}) {
               display:none;
            }
         }
      }
      
      .option {
         position: relative;
         overflow:hidden;

         min-width:60px;
         margin:10px;
         //border:0px solid --defaultColor;

         background:var(--optionBackground, var(--defaultBackground, #E6E9ED));
         background-size:auto 120%;
         background-position:center;

         cursor: pointer;

         transition:.5s cubic-bezier(0.05, 0.61, 0.41, 0.95);

         @for $i from 1 through length($optionDefaultColours) {
            &:nth-child(#{$i}) {
               --defaultBackground:#{nth($optionDefaultColours, $i)};
            }
         }
         &.active {
            flex-grow:10000;
            transform:scale(1);
            
            max-width:600px;
            margin:0px;
            border-radius:40px;
            
            background-size:auto 100%;
            .shadow {
               box-shadow:inset 0 -120px 120px -120px black, inset 0 -120px 120px -100px black;
            }
            .label {
               bottom:20px;
               left:20px;
               .info >div {
                  left:0px;
                  opacity:1;
               }
            }
            /*&:active {
               transform:scale(0.9);
            }*/
         }
         &:not(.active) {
            flex-grow:1;
            
            border-radius:30px;
            .shadow {
               bottom:-40px;
               box-shadow:inset 0 -120px 0px -120px black, inset 0 -120px 0px -100px black;
            }
            .label {
               bottom:10px;
               left:10px;
               .info >div {
                  left:20px;
                  opacity:0;
               }
            }
         }
         .shadow {
            position: absolute;
            bottom:0px;
            left:0px;
            right:0px;
            
            height:120px;
            
            transition:.5s cubic-bezier(0.05, 0.61, 0.41, 0.95);
         }
         .label {
            display:flex;
            position: absolute;
            right:0px;

            height:40px;
            transition:.5s cubic-bezier(0.05, 0.61, 0.41, 0.95);
            .icon {
               display:flex;
               flex-direction:row;
               justify-content:center;
               align-items:center;
               
               min-width:40px;
               max-width:40px;
               height:40px;
               border-radius:100%;

               background-color:white;
               color:var(--defaultBackground);
            }
            .info {
               display:flex;
               flex-direction:column;
               justify-content:center;
               
               margin-left:10px;
               
               color:white;
               
               white-space: pre;
               >div {
                  position: relative;
                  
                  transition:.5s cubic-bezier(0.05, 0.61, 0.41, 0.95), opacity .5s ease-out;
               }
               .main {
                  font-weight:bold;
                  font-size:1.2rem;
               }
               .sub {
                  transition-delay:.1s;
               }
            }
         }
      }
   }
}
View Compiled
$(".option").click(function(){
   $(".option").removeClass("active");
   $(this).addClass("active");
   
});

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css
  2. https://static.fontawesome.com/css/fontawesome-app.css
  3. https://pro.fontawesome.com/releases/v5.2.0/css/all.css
  4. https://fonts.googleapis.com/css?family=Roboto:400,700

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js
  2. https://codepen.io/z-/pen/a8e37caf2a04602ea5815e5acedab458.js