add background to titles for better contrast

css/base.css

@@ -47,6 +47,10 @@ main h1, main h2, main h3 {
     z-index: 20;
 }
 
+main h1 span, main h2 span, main h3 {
+    background-color: #000000b8;
+}
+
 main h1 {
     position: relative;
     text-align: center;
@@ -183,14 +187,12 @@ figcaption {
     font-family: segoesc;
     float: left;
     margin-left: 10%;
-    line-height: 0.8em;
 }
 
 #interhack {
     text-shadow: -5px 5px 0px var(--accent-orange), -10px 10px 0px var(--accent-violet);
     color: var(--accent-yellow);
     margin-right: 10%;
-    line-height: 0.5em;
 }
 
 code {