diff --git a/css/styles.css b/css/styles.css
new file mode 100644
index 0000000..5c6b812
--- /dev/null
+++ b/css/styles.css
@@ -0,0 +1,122 @@
+html, body {
+  margin: 0;
+  width: 100%;
+  height: 100%;
+  background-color: #060606;
+  color: white;
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+  user-select: none!important;
+  font-family: 'Roboto';
+}
+
+#graf {
+  width: 100%;
+  height: 100%;
+}
+
+#dialog {
+  position: absolute;
+  top: 0px;
+  left: 0px;
+  width: 300px;
+  height: 100%;
+  background-color: white;
+  color: black;
+  z-index: 120;
+  overflow-y: auto;
+}
+
+#backdrop {
+  display: none;
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background-color: rgba(0, 0, 0, .5);
+  z-index: 110;
+}
+
+#dialog-vertex, #dialog-edge{
+  padding: 8px;
+  user-select: auto;
+}
+
+#dialog h2 {
+  font-weight: bold;
+  font-size: 20px;
+}
+
+#dialog h3 {
+  font-weight: bold;
+  font-size: 16px;
+  margin-bottom: 0;
+}
+
+#quit-dialog, #quit2-dialog {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+}
+
+#min-dialog, #max-dialog {
+  position: absolute;
+  top: 8px;
+  right: 48px;
+}
+
+#min-dialog {
+  display: none;
+}
+
+#summary-dialog {
+  position: absolute;
+  top: 0px;
+  left: 0px;
+  width: 100%;
+  height: 100px;
+  background-color: white;
+  color: black;
+  z-index: 120;
+}
+
+#summary-vertex {
+  padding: 8px;
+  user-select: auto;
+}
+
+#summary-dialog h2 {
+  font-weight: bold;
+  font-size: 20px;
+  margin: 0;
+}
+
+#zoomin {
+  position: absolute;
+  right: 10px;
+  bottom: 60px;
+  z-index: 100;
+}
+
+#zoomout {
+  position: absolute;
+  right: 10px;
+  bottom: 10px;
+  z-index: 100;
+}
+
+@media (max-width: 700px) {
+  #dialog {
+    width: Calc(100% - 32px)!important;
+    height: Calc(100% - 32px)!important;
+    margin: 16px;
+  }
+
+  #backdrop {
+    display: block;
+  }
+
+  #min-dialog {
+    display: block!important;
+  }
+}