html, body {
    width: 100%;
    height: 100%;
}
body {
  font-family: Montserrat, sans-serif;
  line-height: 1.8;
  color: #fff;
  background: #3a3a3a;
  margin: 0;
  display: table
}
p {
  font-size: 16px;
}
h3 {
  margin-bottom: 20px;
}
body>div {
  display: table-cell;
  text-align: center; /* horizontal */
  vertical-align: middle; /* vertical */
}
.container {
  margin: 0 25px;
}
.logo {
  width: 50%;
}
@media (max-width: 480px) {
  .logo {
    width: 100%;
  }
  h3 {
    font-size: 20px;
  }
  p {
    font-size: 14px;
  }
}