// <weight>: Use a value from 300 to 800
// <uniquifier>: Use a unique and descriptive class name

.open-sans-<uniquifier> {
  font-family: "Open Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  font-variation-settings:
    "wdth" 100;
h1 {
  color: blue;
}
p {
    font-family: "Open Sans", sans-serif;
}
h1 {
  font-size: 10vw;
}
h1 {
  font-family: "Mooh Lah Lah", cursive;
 }
p{font-style: italic;
font-weight: bold; 
}


div {
  width: 250px;
  border: 5px solid black;
  padding: 25px;
}
h2 {
  text-decoration:;
}div {
  color: black;
  background-color: orange;
  width: 200px;
  padding: 50px;
}
div {
  width: px
 {border: 10px solid black;
}
<footer>
  <p>Contact Us:</p>
  <p>Email:<a href="#"></a></p>
  <p>Phone: 123-456-7890</p>
</footer
  .container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.column {
    flex: 1 1 250px;
}