Untitled

<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
<style>
.small-box {
  text-align: center;
  margin: 1px;
  width: 25px;
  height: 25px;
  background-color: yellow;
  border-radius: 5px;
    display: inline-block;
}
.small-row {
  width: 100%;
  height: 100%;
    display: block;
}
.small {
  margin-top: -5px;
    display: inline-block;
}
.big {
  text-align: center;
  width: 50px;
  height: 50px;
    display: inline-block;
  background-color: green;
}
.game {
  padding: 5px;
  display: inline-block;
  background-color: black;
}
</style>
</head>
<body>
<div class="game">
<div class="big"></div>
<div class="small">
  <div class="small-row">
    <div class="small-box">1</div>
    <div class="small-box">2</div>
    <div class="small-box">2</div>
    <div class="small-box">3</div>
    <div class="small-box">3</div>
    <div class="small-box">4</div>
  </div>
  <div class="small-row">
    <div class="small-box">2</div>
    <div class="small-box">3</div>
    <div class="small-box">3</div>
    <div class="small-box">2</div>
    <div class="small-box">2</div>
    <div class="small-box">2</div>
  </div>
</div>
<div class="big"></div>
</div>


</body>
</html>