body {
  background-color: #f4f4f4;
  font-family: Arial, sans-serif;
  text-align: center;
}


.box1 {
  width: 400px;
  padding: 10px;
  margin: 30px auto;
  border: 3px solid green;
  background-color: #d1dbbd;
}


.box2 {
  width: 400px;
  padding: 30px;
  margin: 50px auto;
  border: 4px dashed orange;
  background-color: #fff3d9;
}


#box3 {
  width: 400px;
  padding: 5px;
  margin: 50px auto;
  border: 5px dotted black;
}

.box4 {
  width: 400px;
  padding: 30px;
  margin: 50px auto;
  border: 4px dashed yellow;
  background-color: #fffed9;
  box-sizing: border-box;
}