diff --git a/css/style.css b/css/style.css
index 55fb43f..8911d6c 100644
--- a/css/style.css
+++ b/css/style.css
@@ -72,4 +72,26 @@ main {
 
 .row { height:auto; width:100%; display:flex; justify-content:space-between; align-items:center; }
 
-article { background-color:#eee; }
+article {
+	background-color: #eee;
+	border: 3px solid #ddd;
+	border-radius: 2% 6% 5% 3% / 1% 1% 2% 6%;
+	position: relative;
+}
+article::before {
+	content: '';
+	border: 2px solid #dfdfdf;
+	display: block;
+	width: 100%;
+	height: 100%;
+	position: absolute;
+	top: 50%;
+	left: 50%;
+	transform: translate3d(-50%, -50%, 0) scale(1.015) rotate(0.5deg);
+	border-radius: 1% 1% 2% 4% / 2% 6% 5% 4%;
+	z-index: -1;
+}
+article:nth-child(1)::before {
+	transform: translate3d(-50%, -50%, 0) scale(1.015) rotate(-1deg);
+	border-radius: 2% 6% 5% 4% / 1% 1% 2% 4%;
+}