body {
  background: #f3f4ff;
  font-family: Arial, sans-serif;
}
.box1 {
  width: 400px;
  padding: 10px;
  margin: 30px;
  border: 4px solid #7c4dff;
  background: #fff2cc;
}
.box2 {
  width: 400px;
  padding: 30px;
  margin: 50px;
  border: 6px dashed #ff5c8a;
  background: #d7f7ff;
}
#box3 {
  width: 400px;
  padding: 5px;
  margin: 50px;
  border: 5px double #2b2b2b;
  background: #ffffff;
}
.box4 {
  width: 400px;
  padding: 30px;
  margin: 50px;
  border: 6px groove #2dbb7f;
  background: #ffe3f1;
  box-sizing: border-box;
}