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

body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: brown;
}

/* Cabeçalho */
header {
  background-color: #0059ff;
  color: white;
  padding: 20px;
}

fieldset {
  width: 50%;
  margin-left: auto; 
  margin-right: auto;
}

legend {
  font-size: 7px;
}

button {
  margin: 10px;
  font-size: 100px;
  border: black solid;
  padding: 10px;
  font-family: fantasy;
  background-color: red;
}