@media (max-width:750px) {
  .nav {
    width:100%;
    display:none;
    flex-direction:column;
    
    justify-content:center;
  flex-wrap:wrap;
    min-height:300px;

    align-items:center;
    
    
  }
  .button:focus {
  	border: none;
  	background-color: none;
  	outline: none;
  }
  
  .button {
display:flex;
  
  }
 .nav li {
        padding:10px;
    margin:5px;

  }

  .header li {
  	padding:30px 0;
  }
  .header {
    width:100%;
    display:flex;

    flex-direction:row;
    align-items:center;
    justify-content:space-around;
    min-height:100px;
    
  }
}