body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f2f2f2;
}

.container {
  display: flex;
  border: 2px dashed #555;
  margin: 30px 0;
  padding: 15px;
  min-height: 200px;
  background-color: #fff;
}

.box {
  padding: 20px;
  margin: 10px;
  text-align: center;
  color: white;
  font-weight: bold;
  border: 2px solid black;
  border-radius: 10px;
  width: 100px;
  height: 100px;
  flex-grow: 1;
}

/* Different background colors for each box */
.box:nth-child(1) {
  background-color: #e74c3c; /* red */
}

.box:nth-child(2) {
  background-color: #3498db; /* blue */
}

.box:nth-child(3) {
  background-color: #2ecc71; /* green */
}

.box:nth-child(4) {
  background-color: #f39c12; /* orange */
}

.box:nth-child(5) {
  background-color: #9b59b6; /* purple */
}