body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
}

.container {
    width: 400px;
    margin: 50px auto;
    background-color: #ffffff;
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    color: #333;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.left-side, .right-side {
  flex: 1;
  padding: 10px;
}

.right-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#color-box {
    width:200px;
    height:200px;
    border:1px solid #ccc;
    margin-top:20px;
    border-radius:5px;
    background-color: #1E90FF;
}