Added styles to client header.

public/css/z.css

@@ -1 +1,49 @@
-a
+.z {
+    font-size: 14px;
+} .z a {
+    color: inherit;
+} .z ul {
+    margin: 0;
+    padding: 0;
+    list-style-type: none;
+}
+
+.z .hbox {
+    display: flex;
+} .z .hbox > * {
+    margin-right: 15px;
+}
+
+.z .separators > *:empty {
+    display: none;
+} .z .separators > *:not(:first-child):before {
+    content: '|';
+    font-weight: bold;
+    margin: 0 5px;
+}
+
+.z header {
+    padding: 20px;
+} .z .contact {
+    font-family: monospace;
+} .z .dp {
+    --shadow-color: #aaa;
+    --size: 64px;
+    align-items: center;
+    background: #ccc;
+    box-shadow: 0 0 20px var(--shadow-color);
+    border-radius: 50%;
+    display: flex;
+    justify-content: center;
+    font-size: 18px;
+    height: var(--size);
+    width: var(--size);
+} .z .dp.medicare-valid {
+    --shadow-color: limegreen;
+} .z .dp.medicare-invalid {
+    --shadow-color: red;
+} .z .name {
+    font-family: georgia;
+    font-size: 20px;
+    font-weight: bold;
+}