--- a
+++ b/public/niivue.css
@@ -0,0 +1,144 @@
+html {
+  height: auto;
+  min-height: 100%;
+  margin: 0;
+}
+body {
+  display: flex;
+  flex-direction: column;
+  margin: 0;
+  min-height: 100%;
+  width: 100%;
+  position: absolute;
+  font-family: system-ui, Arial, Helvetica, sans-serif;
+  user-select: none; /* Standard syntax */
+  color: white;
+  background: #303030;
+}
+header {
+  margin: 10px;
+}
+main {
+  flex: 1;
+  background: #000000;
+  position: relative;
+}
+footer {
+  margin: 10px;
+}
+canvas {
+  position: absolute;
+  cursor: crosshair;
+}
+canvas:focus {
+  outline: 0px;
+}
+div {
+  display: table-row;
+  background-color: blue;
+}
+.dropdown {
+  float: left;
+  overflow: hidden;
+}
+.dropdown .dropbtn {
+  font-size: 16px;
+  border: none;
+  outline: none;
+  color: white;
+  padding: 12px 12px;
+  background-color: #303030;
+  font-family: inherit;
+  margin: 0;
+}
+.dropdown:hover .dropbtn {
+  background-color: #9a9;
+}
+.dropdown-content {
+  display: none;
+  position: absolute;
+  background-color: #303030;
+  min-width: 160px;
+  border-radius: 5px;
+  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
+  z-index: 1;
+}
+.dropdown-content a {
+  float: none;
+  color: white;
+  padding: 12px 16px;
+  text-decoration: none;
+  display: block;
+  text-align: left;
+  line-height: 6px;
+}
+.dropdown-content a:hover {
+  background-color: #aba;
+}
+.dropdown:hover .dropdown-content {
+  display: block;
+}
+.dropdown-item-checked::before {
+  position: absolute;
+  left: 0.2rem;
+  content: "\2022"; /* or '✓' */
+  font-weight: 600;
+}
+.divider {
+  border-top: 1px solid grey;
+}
+.vertical-divider {
+  border-left: 1px solid grey;
+  height: 40px;
+}
+.help-text {
+  margin: auto;
+  max-width: 150px;
+  padding: 0 10px;
+}
+.slidecontainer {
+  padding: 10px 10px;
+  white-space: normal;
+  word-break: break-word;
+  display: flex;
+  align-items: center;
+  flex: 0 0 auto;
+}
+
+div.footer { width: 100%; display: block; background: #303030;}
+table.footer { width: 100%;height: 100%; table-layout: fixed;}
+
+.github-star {
+  display: inline-flex;
+  align-items: center;
+  background-color: #fff;
+  border: 1px solid #d1d5da;
+  border-radius: 6px;
+  font-size: 14px;
+  font-weight: 600;
+  color: #24292e;
+  text-decoration: none;
+}
+
+.github-star .star-button {
+  display: flex;
+  align-items: center;
+  background-color: #ffffff;
+  padding: 5px 12px;
+  border-radius: 6px 0 0 6px;
+}
+
+.github-star .star-button span {
+  color: #24292e;
+  padding-left: 5px;
+}
+
+.github-star #star-count {
+  background-color: #eff3f6;
+  padding: 5px 12px;
+  border-left: 1px solid #d1d5da;
+  border-radius: 0 6px 6px 0;
+  font-size: 14px;
+  font-weight: 600;
+  color: #24292e;
+}
\ No newline at end of file