style.css

/* Define colors */
:root {
  --twitter-blue: #1DA1F2;
  --twitter-blue-light: #E8F5FE;
  --twitter-gray: #657786;
  --twitter-white: #FFFFFF;
}

/* Global styles */
body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
}

/* Header styles */
header {
  background-color: var(--twitter-blue);
  color: var(--twitter-white);
  padding: 10px;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li {
  display: inline-block;
  margin-right: 20px;
}

nav li:last-child {
  margin-right: 0;
}

nav a {
  color: var(--twitter-white);
  text-decoration: none;
}

/* Card styles */
.card-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.card {
  background-color: var(--twitter-white);
  border-radius: 8px;
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.2);
  padding: 40px;
  text-align: center;
  width: 400px;
}

.card h2 {
  color: var(--twitter-gray);
  font-size: 24px;
  margin-bottom: 20px;
}

.card p {
  color: var(--twitter-gray);
  font-size: 16px;
  margin-bottom: 40px;
}

.buttons {
  display: flex;
  justify-content: center;
}

.button {
  background-color: var(--twitter-blue);
  border: none;
  border-radius: 50px;
  color: var(--twitter-white);
  font-size: 18px;
  margin-right: 20px;
  padding: 10px 20px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.button:hover {
  background-color: var(--twitter-blue-light);
}