html, body {
  height: 100%;
  margin: 0;
}

body {
  display: grid;
  place-items: center;
}

.box{
  width: 33%;
  border: 2px solid rgb(96 139 168);
  border-radius: 5px;
  background-color: rgb(96 139 168 / 0.2);
  font-family: Helvetica, sans-serif;
  padding: 10px;
}