nav {

  display: flex;



  justify-content: center;

  align-items: center;

  align-content: center;

  justify-content: space-around;

  border: none;

  margin-top: 10px;

  font-family: Arial, Helvetica, sans-serif;

  

}





h1 {

  font-family: "Courier New", Courier, monospace;

  border: none;



}

main {

  display: flex;

  flex-direction: column;

  align-items: center;

  font-family: Arial, Helvetica, sans-serif;

  border: none;

  margin-top: 150px;

}

img{

  margin-top: 10px;
  margin-left: 280px;
  width: 1600px, 450px;

}

#timer{

 display: flex;

 justify-content: end;

 

}