* {
  font-family: 'Poppins', sans-serif;
  box-sizing: border-box;
  padding: 0;
  line-height: 1.5;
}
h1, h2 {
  text-align: center;
}
footer {
background-color: #dedede;
color: #333;
font-size: 20px;
text-align: center;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
}

.box {
  flex: 1;
  background: #0a51cc;
  color: #fff;
  border-radius: 10px;
  margin: 20px 10px;
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.6);
  padding: 15px 20px;
}

  .header .container {
    flex-direction: column;
    padding-top: 20px;
    text-align: center;
  }

  .boxes .container {
    display: block;
    text-align: center;
  }
h2 a {
  color: white;
}
h2 a:hover {
  color: skyblue;
}
h2 a:visited {
  color: white;
}
h2 a:focus {
  color: skyblue;
}
@media (max-width: 500px) {
  footer a {
    display: block;
  }
}