.gallery img{
width:100%; 
}

#menu{
    width: 100%;
    height: 40px;
    background-color: cornflowerblue;
    padding-top: 12px;
    }
    #menu a{
      color:white ;
      font: helvetica, sans-serif;
      size: 18px;
      text-decoration: none;
      font-weight: 800;
    
      padding-left: 20px;
      padding-right: 20px;
    }
    #menu a:hover{
      color: #5077bd;
    
    }