body {
  margin: 0;
  background: url("https://www.transparenttextures.com/patterns/asfalt-dark.png");
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  color: #000;
}

/* LOGO */
.logo {
  font-size: 36px;
  font-weight: bold;
  letter-spacing: 4px;
  background: linear-gradient(to bottom, #ff0000, #0000ff);
  color: #fff;
  padding: 10px;
  border: 4px solid #000;
  width: 420px;
  text-align: center;
}

/* MARQUEE */
.marquee {
  background: #000;
  color: #00ff00;
  font-weight: bold;
  padding: 4px;
  border: 2px solid #00ff00;
}

/* CAIXAS */
.main {
  border: 4px double #000;
  background: #ffffff;
}

.box {
  background: #ffffff;
  border: 3px solid #000;
  padding: 8px;
}

.center {
  background: linear-gradient(to bottom, #ffffff, #ccccff);
  text-align: center;
}

.chaos {
  background: #ffffcc;
}

/* BOTÕES */
.btn {
  display: inline-block;
  padding: 6px 10px;
  background: linear-gradient(to bottom, #ffffff, #999999);
  border: 3px outset #333;
  color: #000;
  text-decoration: none;
  font-weight: bold;
}

.btn:hover {
  background: #eeeeee;
}

.btn:active {
  border: 3px inset #333;
}

.big {
  font-size: 13px;
  padding: 8px 14px;
}

/* CATÁLOGO */
.catalogo {
  border: 4px solid #000;
  background: #ffffff;
}

.catalogo th {
  background: #000;
  color: #00ff00;
  font-size: 12px;
  border: 2px solid #00ff00;
}

.catalogo td {
  border: 2px solid #000;
  padding: 4px;
  font-size: 11px;
}

/* RODAPÉ */
.footer {
  background: #000;
  color: #00ff00;
  font-size: 11px;
  border-top: 4px solid #00ff00;
}