UI transparency

index.css

@@ -4,6 +4,7 @@
 
     --main-1: rgb(13, 12, 17);
     --main-2: rgb(42, 40, 53);
+    --main-2-bg: rgba(42, 40, 53, 0.658);
     --main-3: rgb(223, 201, 176);
     --main-4: rgb(248, 246, 224);
     --width: min(800px, calc(100vw - 80px));
@@ -15,12 +16,13 @@ body {
     background-image: url('img/space.svg');
     background-position: center;
     background-size: cover;
+    background-attachment: fixed;
     padding: 0;
     margin: 0;
 }
 
 .main {
-    background-color: var(--main-2);
+    background-color: var(--main-2-bg);
     padding: 20px;
     width: var(--width);
     margin: auto;
@@ -85,7 +87,8 @@ table {
 .item-a,
 .link {
     font-weight: bold;
-    text-decoration: underline;
+    font-style: italic;
+    text-decoration: none;
     color: inherit;
 }