Fix graphs in colors lecture

Author: rdpeng

04_ExploratoryAnalysis/assets/css/.gitkeep

@@ -0,0 +1,14 @@
+strong, b {
+  font-weight: bolder;
+}
+em {
+  font-style: italic;
+}
+
+img.center {
+	display: block;
+	margin: auto auto;
+}
+redtext {
+  color: red; 
+}

04_ExploratoryAnalysis/assets/css/custom.css

@@ -0,0 +1,50 @@
+/*Github Ribbon Test*/
+/* Source: https://github.com/dciccale/css3-github-ribbon */
+/* Define classes for example, definition, problem etc. */
+/* Choose meaningful colors for background and text */
+
+.example {
+  background-color: #121621;
+  top: 1.2em;
+  right: -3.2em;
+  -webkit-transform: rotate(45deg);
+  -moz-transform: rotate(45deg);
+  transform: rotate(45deg);
+  -webkit-box-shadow: 0 0 0 1px #1d212e inset,0 0 2px 1px #fff inset,0 0 1em #888;
+  -moz-box-shadow: 0 0 0 1px #1d212e inset,0 0 2px 1px #fff inset,0 0 1em #888;
+  box-shadow: 0 0 0 1px #1d212e inset,0 0 2px 1px #fff inset,0 0 1em #888;
+  color: #FF0;
+  display: block;
+  padding: .6em 3.5em;
+  position: absolute;
+  font: bold .82em sans-serif;
+  text-align: center;
+  text-decoration: none;
+  text-shadow: 1px -1px 8px rgba(0,0,0,0.60);
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  user-select: none;
+}
+
+.definition {
+  background-color: #a00;
+  top: 1.2em;
+  right: -3.2em;
+  -webkit-transform: rotate(45deg);
+  -moz-transform: rotate(45deg);
+  transform: rotate(45deg);
+  -webkit-box-shadow: 0 0 0 1px #1d212e inset,0 0 2px 1px #fff inset,0 0 1em #888;
+  -moz-box-shadow: 0 0 0 1px #1d212e inset,0 0 2px 1px #fff inset,0 0 1em #888;
+  box-shadow: 0 0 0 1px #1d212e inset,0 0 2px 1px #fff inset,0 0 1em #888;
+  color: #FFF;
+  display: block;
+  padding: .6em 3.5em;
+  position: absolute;
+  font: bold .82em sans-serif;
+  text-align: center;
+  text-decoration: none;
+  text-shadow: 1px -1px 8px rgba(0,0,0,0.60);
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  user-select: none;
+}