A bit of responsiveness

style.css

@@ -76,6 +76,19 @@ p, li {
   padding:2% 20%;
 }
 
+@media screen and (max-width:800px) {
+  #all {
+    padding:0%;
+  }
+  img {
+    display:none;
+  }
+
+  #cool-stuff .box {
+    max-width: 100%;
+  }
+}
+
 #header {
   height: 50px;
   display: flex;