nav {background-color: black;}

nav ul {display: flex;
    justify-content: space-between;
    padding: 0;
    margin: 0;
    list-style-type: none;
    width: 100%;}

nav ul li a {color: white;
    text-decoration: none;}

nav ul li {flex-grow: 1;
    text-align: center;
	 flex: 0 0 20%;
    text-align: center;}
main {display: flex;}
article {flex-basis:50%;
	background-image: url ('stars.jpg');
    margin: 1.5em 2.52525% 0 2.0202%;}
aside {flex-basis:50%;
    padding: 2.0202%;
   /* max-width: 200px;
    min-height: 180px;*/
    background-color: #ffebc6;
    margin: 1.5em 2.0202% 0 0;}
footer {background-color: #ff69b4;}
#galGrid {
  display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  grid-gap: 20px;
  align-items: stretch;
  border: 1px solid #cccccc;
  box-shadow: 2px 2px 6px 0px rgba(0,0,0,0.3);
  max-width: 100%;}