stylo.css

html {
  font-family: "Montserrat", sans-serif;
}

body {
  margin: 0;
  background-color: #efefef;
}

header {
  background-color: #364552;
  color: white;
  padding: 2rem 1rem;
}

header h1 {
  font-size: 4rem;
  text-align: center;
}

.container {
  width: 400px;
  margin: 0 auto;
}

section article {
  transition: box-shadow 0.3s ease;
  background-color: #fff;
  margin: 2rem 0;
  border-radius: 0.5rem;
  padding: 0.25rem 0;
  cursor: pointer;
}
section article:hover {
  box-shadow: 0 0.1rem 1rem rgba(0, 0, 0, 0.7);
}
section article h2,
section article p {
  margin: 1rem;
}

footer {
  background-color: #222;
  padding: 3rem;
  color: #fff;
}
footer section {
  float: right;
}
footer p {
  margin: 0;
}
footer a {
  transition: color 0.3s ease;
  color: white;
  text-decoration: none;
  -webkit-transition: color 0.3s ease;
  -moz-transition: color 0.3s ease;
  -ms-transition: color 0.3s ease;
  -o-transition: color 0.3s ease;
}
footer a:hover {
  color: cornflowerblue;
}
.post h2 {
  color: rgb(55, 45, 146);
}
br {
  background-color: black;
  padding: 2rem 1rem;
}