body{

    background-color: #26252D;
    color: white;
    margin: 0px;
}

main{
    margin-left: 20px;
    margin-right: 20px;
}

.Navigation ul{
    list-style-type: none;
    padding: 0px;
    margin: 0px;
    overflow: hidden;
    background-color: #00186B;
    display: flex;
    justify-content:flex-start;
    align-items: center;

}

.Navigation a{
    color: white;
    text-decoration: none;
    padding: 15px;
    display: block;
    text-align: center;
    
}

.Navigation a:hover{
    background-color: #070F2B;
}

.Navigation li{
    display:flex;  
    float:left;
}

.PlanetImages
{
    display: flex;
    max-width: 25%;
    height: auto;
    align-self: center;
}



  .dropbutton {
    background-color: #00186B;
    border: none;
    cursor: pointer;
    display: none;
    width: 50px;
    height: 50px;
    position: relative;
    left: 360px;
    padding: 0;
    margin: 15px;
    
  }

  .dropbutton div {
    width: 35px;
    height: 4px;
    background-color: white;
    margin: 6px;
    padding: 1px;
  }

  .dropbutton:hover, .dropbutton:focus {
    background-color: #070F2B;
  }


  .dropdown {
    display: flex;
    align-self: right;
    margin: 10px;
  }

  .dropdown-content {
    display: none;
    position: absolute;
    background-color: #00186B;
    min-width: 160px;
    top: 100px;
    right: 1px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    
  }

  .dropdown-content a {
    color: white;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }

  .dropdown a:hover {
    background-color: #ddd;
  }

  .show {
    display: block;
  }

  .dropbutton {
    display: none; 
  }

  @media screen and (max-width: 600px) {
    
    .dropbutton {
      display: block; 
    }
    .Navigation ul {
      display: flex;
      justify-content: flex-start;
    }
    .Navigation ul .nav-item {
    display: none;
visibility: hidden;
    }
  }

  #footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 2.5rem;
    background-color: #00186B;
    padding: 10px;
  }