body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #7bc6cc, #be93c5);
  color: #333;
  text-align: center;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 50px 0 20px;
}

.logo {
  width: 500px;
  max-width: 26vw;
  height: auto;
  display: block;
  margin: 0 auto 0.4rem auto;
}

h1 {
  margin-bottom: 0;
}

main {
  flex: 1;
}

.tools {
  list-style: none;
  padding: 0;
}

.tools li {
  margin: 15px 0;
}

.tools a {
  color: #005b70;
  text-decoration: none;
  font-weight: bold;
}

.tools a:hover {
  text-decoration: underline;
}

footer {
  margin: 20px 0;
  font-size: 0.9em;
  color: #555;
}