display
grid
<style> .d1{background:LightSkyBlue;} .d2{background:LightSalmon;} .d3{background:PaleTurquoise;} .d4{background:LightPink;} .d5{background:PaleGreen;} .container { font-size: 40px; width: 100%; background: LightGray; /* Only change code below this line */ display: grid; /* Only change code above this line */ } </style> <div class="container"> <div class="d1">1</div> <div class="d2">2</div> <div class="d3">3</div> <div class="d4">4</div> <div class="d5">5</div> </div>