* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  color: #222222;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.topo,
.rodape {
  width: 100%;
  padding: 18px 24px;
  text-align: center;
}

.topo {
  border-bottom: 1px solid #e5e5e5;
}

.rodape {
  margin-top: auto;
  border-top: 1px solid #e5e5e5;
}

.topo p,
.rodape p {
  margin: 3px 0;
}

@media (max-width: 600px) {
  .topo,
  .rodape {
    padding: 16px;
  }
}