body,
html {
  width: 100%;
  height: 100%;
  font-family: 'Montserrat', sans-serif;
  background-image: url(header.jpg);
  background-size: cover;
}
h1{
  color: beige;
  text-align: center;
  font-size: 50px;
}
hr{
    display: flex;
    align-content: center;
    justify-content: center;
}
button{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  background-color: #3c4603;
  color: rgb(255, 225, 53);
  font-size: 16px;
  padding: 16px 30px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  text-align: center;
  margin-top: 0px;
}