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Step 2

Configure the API and styling.

Add clean CSS and prepare the JavaScript state. Replace the public key with the key from your CrownVote election dashboard.

code index.css
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f7fb;
  color: #101828;
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 760px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 28px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(16, 24, 40, 0.08);
}

.eyebrow {
  margin: 0 0 12px;
  color: #2563eb;
  font-weight: 700;
  font-size: 14px;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 48px);
  letter-spacing: -0.04em;
}

.muted {
  color: #667085;
  line-height: 1.7;
}

.form {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid #d0d5dd;
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  background: #2563eb;
  color: white;
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.notice {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: 16px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 14px;
  line-height: 1.6;
}

.voter {
  margin-top: 24px;
  padding: 14px 16px;
  border-radius: 16px;
  background: #f9fafb;
  color: #344054;
}

.ballots {
  margin-top: 24px;
  display: grid;
  gap: 24px;
}

.ballot {
  border: 1px solid #e5e7eb;
  border-radius: 24px;
  padding: 20px;
  background: #ffffff;
}

.ballot-header {
  margin-bottom: 18px;
}

.ballot h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.candidates {
  display: grid;
  gap: 14px;
}

.candidate {
  position: relative;
  display: grid;
  grid-template-columns: auto 56px 1fr auto;
  align-items: center;
  gap: 14px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 14px;
  cursor: pointer;
  background: #ffffff;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.candidate:hover {
  border-color: #2563eb;
  background: #eff6ff;
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.08);
}

.candidate.selected {
  border-color: #2563eb;
  background: #eff6ff;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.12);
}

.candidate input {
  width: 18px;
  height: 18px;
  accent-color: #2563eb;
}

.candidate-image {
  width: 56px;
  height: 56px;
  overflow: hidden;
  border-radius: 16px;
  background: #dbeafe;
  color: #2563eb;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.candidate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.candidate-content {
  display: grid;
  gap: 4px;
}

.candidate-content strong {
  font-size: 15px;
  color: #101828;
}

.candidate-content small {
  color: #667085;
  line-height: 1.4;
}

.candidate-check {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #2563eb;
  color: #ffffff;
  font-size: 14px;
  font-weight: 900;
  opacity: 0;
  transform: scale(0.85);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.candidate.selected .candidate-check {
  opacity: 1;
  transform: scale(1);
}

@media (max-width: 520px) {
  .candidate {
    grid-template-columns: auto 48px 1fr;
  }

  .candidate-image {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }

  .candidate-check {
    display: none;
  }
}

.hidden {
  display: none;
}
code index.js
const API_URL = 'https://api.crownvote.com/api/v1'
const PUBLIC_KEY = 'cv_pub_xxxxx'

const state = {
  election: null,
  accessToken: null,
  ballots: [],
  selections: {},
}

const elements = {
  title: document.querySelector('#electionTitle'),
  description: document.querySelector('#electionDescription'),
  notice: document.querySelector('#notice'),
  loginForm: document.querySelector('#loginForm'),
  voterId: document.querySelector('#voterId'),
  password: document.querySelector('#password'),
  ballotScreen: document.querySelector('#ballotScreen'),
  voterInfo: document.querySelector('#voterInfo'),
  ballots: document.querySelector('#ballots'),
  submitVote: document.querySelector('#submitVote'),
}

function showNotice(message) {
  elements.notice.textContent = message
  elements.notice.classList.remove('hidden')
}

function hideNotice() {
  elements.notice.textContent = ''
  elements.notice.classList.add('hidden')
}