<h1>The flex-grow Property</h1>

<div id="main">
  <div style="background-color:coral;"></div>
  <div style="background-color:lightblue;"></div>
  <div style="background-color:khaki;"></div>
</div>
#main {
  width: 300px;
  height: 100px;
  border: 1px solid #c3c3c3;
  display: flex;
}

#main div:nth-of-type(1) {
  flex-grow: 1;
  flex-basis: 50%;
}

#main div:nth-of-type(2) {
  flex-grow: 1;
  flex-basis: 0;
}

#main div:nth-of-type(3) {
  flex-grow: 1;
  flex-basis: 0;
}
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