body {
  background-color: white;
  color: black;
  font-family: Verdana;
}

h1, h2 {
  text-align: center;
}

body {
  
  margin: 0;
  min-height: 100vh;
  
  padding: 20px 0;
  
  box-sizing: border-box;
  
  background: linear-gradient(#56ab2f 0%, #a8e063 100%);
  
  background-attachment: fixed;
  background-size: cover;
  
  color: #1a1a1a;
  font-family: sans-serif;
  line-height: 1.6;
  
  position: relative;
}

a {
  color: #2e3192;
  text-decoration: underline;
  font-weight: 600;
}

a:hover {
  color: #4b2c82;
  text-decoration: none;
}

.foot {
  position: absolute;
  bottom: 0;
  width: 100%;
  text-align: center;
}

.main {
  position: relative;
  margin: 0 20px;
  padding-bottom: 50px;
}

.back {
  text-align: center;
}

@media (min-width: 768px) {
  .main {
    margin: 0 20px;
  }
}

@media (min-width: 1200px) {
  .main {
    margin: 0 20%;
  }
}

h1:first-child {
  margin-top: 0;
}