diff --git a/Laminarize.scala b/Laminarize.scala
index 7cbb06a..6241845 100644
--- a/Laminarize.scala
+++ b/Laminarize.scala
@@ -23,7 +23,20 @@
     private var written: Boolean = false
     private val code: java.lang.StringBuilder = new java.lang.StringBuilder
     private val attrMap: Map[String, String] =
-      Map("class" -> "cls", "type" -> "tpe").withDefault(identity)
+      Map("class" -> "cls", "type" -> "tpe", "viewbox" -> "viewBox", "stroke-linecap" -> "strokeLineCap", "stroke-linejoin" -> "strokeLineJoin").withDefault { cls =>
+        def toCap(words: List[String]): String = words match {
+          case h :: t => (h :: t.map(_.capitalize)).mkString("")
+          case _ => ""
+        }
+
+        def dashToCap(c: String): String = toCap(c.split("-").toList)
+
+        if (cls.startsWith("aria")) {
+          s"aria.${toCap(cls.split("-").toList.tail)}"
+        } else {
+          dashToCap(cls)
+        }
+      }
     override def head(node: Node, depth: Int): Unit =
       node match {
         case el: Element => Some(() => writeElement(el, depth))