Initial attempt at a homepage design

src/components/RsvpButton/RsvpButton.js

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+import React from 'react';
+import withStyles from 'isomorphic-style-loader/lib/withStyles';
+import s from './RsvpButton.css';
+
+class RsvpButton extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {};
+  }
+
+  showRsvpForm = () => {
+    this.setState({ showRsvpForm: true });
+    setTimeout(() => {
+      this.rsvpInput.focus();
+    }, 250);
+  }
+
+  render() {
+    return (
+      <div className={s.root}>
+        <div
+          className={[
+            s.rsvp,
+            !this.state.showRsvpForm ? s.rsvpVisible : null,
+          ].join(' ')}
+        >
+          <button className={s.button} onClick={this.showRsvpForm}>
+            RSVP
+          </button>
+        </div>
+        <div
+          className={[
+            s.rsvpForm,
+            this.state.showRsvpForm ? s.rsvpFormVisible : null,
+          ].join(' ')}
+        >
+          <form method="post" action="/rsvp">
+            <div className={[s.formGroup, s.rsvpGroup].join(' ')}>
+              <label className={s.label} htmlFor="code">
+                Enter your RSVP code
+              </label>
+              <input
+                className={s.input}
+                ref={(input) => { this.rsvpInput = input; }}
+                id="code"
+                type="text"
+                name="code"
+                placeholder="Enter your RSVP code"
+              />
+            </div>
+            <div className={[s.formGroup, s.rsvpButtonGroup].join(' ')}>
+              <button className={s.button} type="submit">
+                RSVP
+              </button>
+            </div>
+          </form>
+        </div>
+      </div>
+    );
+  }
+}
+
+export default withStyles(s)(RsvpButton);