body {
  background-image: url("/Images/Background.jpg");
  background-size: cover;
  font-family: Courier, monospace;
  font-size: 14px; /* fixed missing px */
  margin: 0;
  padding: 0;
}

.main {
  background: cyan;
  color: green;
  text-align: center;
  max-width: 700px;
  margin: 20px auto; /* center horizontally */
  padding: 15px;
  box-sizing: border-box;
  word-wrap: break-word;
  position: relative; /* keep if needed */
  left: 0;            /* reset left */
}

.logo {
  display: block;
  margin: 20px auto 40px;
  max-width: 300px;
}

.long {
  max-width: 95%;
  margin: 20px auto;
  position: relative;
  left: 0;
  word-wrap: break-word;
}

@media (max-width: 600px) {
  .main {
    max-width: 90%;
    padding: 10px;
  }
  .logo {
    max-width: 80%;
  }
  .long {
    max-width: 90%;
    padding: 10px;
  }
}

button {
 
 background: green;
 color: cyan;
 border-color: blue;
  
}

button:hover {
 
 background: green;
 color: cyan;
 border-color: yellow;
  
}