body 
{
    background-image: url(output-onlinepngtools.png); background-size: cover;
    opacity: 0.9;
} 
h1
{
    text-align: center;
    font-family:Impact, 'Arial Narrow Bold', sans-serif
}
button {
  background-color: white;
  border: 25px;
  color: red;
  border-radius: 27px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  cursor: pointer;
  box-shadow:0 8px 16px 0 rgba(0,0,0,0.6)
}
footer{
    text-align: center;
    font-family: Impact, 'Arial Narrow Bold', sans-serif;
}