* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.container {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f1faee;
}

.caixa {
  width: 200px;
  height: 200px;
  background-color: #e63946;
  border: 4px solid #1d3557;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  font-family: Arial, sans-serif;
  text-align: center;
}