Initial attempt at a homepage design

src/components/RsvpButton/RsvpButton.css

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+@import '../variables.css';
+
+.root {
+  margin: 0 auto;
+  max-width: 420px;
+  position: relative;
+}
+
+.rsvp,
+.rsvpForm {
+  position: absolute;
+  width: 100%;
+  transition: opacity ease-in-out 0.25s;
+  display: none;
+  opacity: 0;
+}
+
+.rsvpVisible,
+.rsvpFormVisible {
+  display: block;
+  opacity: 1;
+}
+
+.formGroup {
+  margin-bottom: 15px;
+  display: inline-block;
+}
+
+.rsvpGroup {
+  width: 60%;
+}
+
+.rsvpButtonGroup {
+  width: 30%;
+  float: right;
+}
+
+.label {
+  display: inline-block;
+  position: fixed;
+  top: -1000px;
+  left: -1000px;
+}
+
+.input {
+  display: block;
+  box-sizing: border-box;
+  padding: 12px 16px;
+  width: 100%;
+  height: 50px;
+  opacity: 0.75;
+  outline: 0;
+  border: 3px solid #fff;
+  border-radius: 14px;
+  background: #fff;
+  color: #616161;
+  font-size: 18px;
+  line-height: 1.3333333;
+  transition: border-color ease-in-out 0.15s, box-shadow ease-in-out 0.15s;
+}
+
+.input:focus {
+  opacity: 1;
+  box-shadow: 0 0 4px #fff;
+}
+
+.button {
+  display: block;
+  box-sizing: border-box;
+  margin: 0;
+  padding: 10px 16px;
+  width: 100%;
+  opacity: 0.75;
+  outline: 0;
+  border: 4px solid #fff;
+  border-radius: 14px;
+  background: transparent;
+  color: #fff;
+  text-align: center;
+  text-decoration: none;
+  font-size: 18px;
+  line-height: 1.3333333;
+  cursor: pointer;
+  transition: opacity ease-in-out 0.25s, box-shadow ease-in-out 0.25s;
+}
+
+.button:hover,
+.button:focus {
+  opacity: 1;
+  box-shadow: 0 0 4px #fff;
+}