html,
body {
  width: 100%;
  height: 100%;
}


a.button {
  display: inline-block;
  padding: 10px 20px;
  background-color: #FFFFFF;
  color: #2B3346;
  text-decoration: none;
  border-radius: 5px;
}

#head {
  height: 120px;
  background-color: #2B3346;
}

#headImage {
  background-color: #2B3346;
  text-align: center;
}

#tagImage {
  margin-top: 60px;
  margin-left: 240px;
}

#text {
  margin-top: 60px;
  margin-left: 280px;
  margin-right: 280px;
}

#domain {
  margin-top: 80px;
  margin-left: 400px;
  margin-right: 320px;
}

#certificate {
  margin-top: 80px;
  margin-left: 400px;
  margin-right: 480px;
}

#bottom {
  height: 60px;
  width: 1100px;
  margin-top: 40px;
  margin-left: 400px;
  margin-right: 420px;
  background-color: #2B3346;
}

#foot {
  height: 360px;
  background-color: #2B3346;
}