body {
    background: #ccccff;
    margin: 0;
    padding: 0;
}  #wrapper {
    background-image: url("https://stephencastleberry.files.wordpress.com/2016/05/instagram-background.jpg");
    background-size: 100%;
  
    width: 70%;  
    height: 900px;
    margin: 0 auto; 
} 

a { 
    text-decoration: none; 
}   
header { 
    width: 100%; 
    height: 200px;
    
                
            }
header nav ul {
    list-style: none;
    width: 800px; 
    margin: auto; 
    display: block;
                
}
header nav ul li { 
    display: inline-block;
}
header nav ul li a {
    width: 150px;
    background: #cccccc;
    border: 1px solid;
    border-radius: 5px; 
    color: #000000;
    display: inline-block;
    font-family: arial;
    line-height: 50px;
    text-align: center; 
    box-shadow: 5px 5px 5px #003333;
  }

a:hover {
    color: #ffffff;
} 
article {
    background: #b4b4f6;
    width: 48%; 
    height: 400px;
    float: left; 
    font-family: arial; 
    font-size: 35px;
    padding: 1%;
    text-align: center;
    color:#ffffff;

} 
aside {
    background: #b4b4f6;
    width: 48%;
    height: 400px;
    float: left; 
    padding: 1%;
font-size: 50px;

} 
img { 
    width: 100%;
    height: auto;
}
/*OVERIDES*/
          @media screen and (max-width: 1075px){
              header nav ul li a {
    width: 100px;
    background: #cccccc;
    border: 1px solid;
    border-radius: 5px; 
    color: #000000;
    display: inline-block;
    font-family: arial;
    line-height: 50px;
    text-align: center; 
    
              }
          }
   /*OVERIDES*/
@media screen and (max-width: 1327px){
    header nav ul li a {
        width: 140px;
        background: #cccccc;
        border: 1px solid;
        border-radius: 5px; 
        color: #000000;
        display: inline-block;
        font-family: arial;
        line-height: 50px;
        text-align: center; 
    }
    article {
        font-size: 25px;
    }
}
/*OVERIDES*/
@media screen and (max-width: 1174px){
    header nav ul li a {
        width: 130px;
        background: #cccccc;
        border: 1px solid;
        border-radius: 5px; 
        color: #000000;
        display: inline-block;
        font-family: arial;
        line-height: 50px;
        text-align: center; 
    }
    article {
        font-size: 25px;
    }
}
/*OVERIDES*/
@media screen and (max-width: 1052px){
    header nav ul li a {
        width: 100px;
        background: #cccccc;
        border: 1px solid;
        border-radius: 5px; 
        color: #000000;
        display: inline-block;
        font-family: arial;
        line-height: 50px;
        text-align: center; 
    }
    article {
        font-size: 25px;
    }
}