Added fade-in effect for abstract.

style.css

@@ -441,4 +441,21 @@ hr.curve {
   background-image: -moz-linear-gradient(left, #282828, #f9f5d7, #282828);
   background-image: -ms-linear-gradient(left, #282828, #f9f5d7, #282828);
   background-image: -o-linear-gradient(left, #282828, #f9f5d7, #282828);
+}
+
+.fade-in {
+	opacity: 1;
+	animation-name: fadeInOpacity;
+	animation-iteration-count: 1;
+	animation-timing-function: ease-in;
+	animation-duration: 0.3s;
+}
+
+@keyframes fadeInOpacity {
+	0% {
+		opacity: 0;
+	}
+	100% {
+		opacity: 1;
+	}
 }