Justified Image Grid with Label

HTML

<div class="expertise">
        <div class="icon-wrapper">
            <div class="img"></div>
            <p>Label</p>
        </div>
        <div class="icon-wrapper">
            <div class="img" style="height: 60px"></div>
            <p>Label</p>
        </div>
        <div class="icon-wrapper">
            <div class="img"></div>
            <p>Label</p>
        </div>
        <div class="icon-wrapper">
            <div class="img"></div>
            <p>Label</p>
        </div>
        <div class="icon-wrapper">
            <div class="img"></div>
            <p>Label</p>
        </div>
        <div class="icon-wrapper">
            <div class="img" style="height: 50px"></div>
            <p>Label</p>
        </div>
        <div class="icon-wrapper">
            <div class="img" style="height: 70px"></div>
            <p>Label</p>
        </div>
    </div>

CSS

* {
  box-sizing: border-box;
}
p
body {
  padding: 1rem;
}

.icon-wrapper .img {
  display: inline-block;
  width: 4rem;
  height: 4rem;
  background-color: red;
}


.icon-wrapper p {
  text-align: center;
}

.expertise:after {
  content: " ";
  display: inline-block;
  width: 100%;
}

.icon-wrapper {
    margin: 0 auto;
    background-color: blue;
    display: inline-block;
     vertical-align: bottom;
  margin-top: 1rem;
}
}