JSFiddle - React, Tailwind, and code Playground

HTML

<div class="grid">
  <div class='bub'><span></span></div>
  <div class='bub'><span></span></div>
  <div class='bub'><span></span></div>
  <div class='bub'><span></span></div>
  <div class='bub'><span></span></div>
</div>

CSS

.grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.bub {
  text-align: center;
}

.bub span {
  display: inline-block;
  border-radius: 50%;
  background: blue;
  height: 100px;
  width: 100px;
}

@media (max-width: 700px) {
  .bub {
    flex-basis: 33%;
  }
  .bub:nth-of-type(4),
  .bub:nth-of-type(5) {
    flex-basis: 50%;
  }
}

@media (max-width: 350px) {
  .bub {
    flex-basis: 100% !important;
  }
}