body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #ffb300, #e77f24);
  font-family: Arial, Helvetica, sans-serif;
}

/* TOPO */
#topo {
  text-align: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.2);
  font-size: 49px;
  font-weight: bold;
  color: whitesmoke;
}

/* MENU */
.menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 15px;
  background: #ffb300;
}

.menu a {
  padding: 10px 18px;
  background: white;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  color: #333;
  border: 2px solid black;
  transition: 0.2s;
}

.menu a:hover {
  background: #ffe0b2;
}

.menu .ativo {
  background: #ff8c00;
  color: white;
}

/* CONTEÚDO */
.conteudo-serie,
.conteudo-principal {
  padding: 20px;
  max-width: 700px;
  margin: auto;
}

/* RODADAS */
.rodadas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 15px 0;
  font-size: 20px;
}

.seta {
  background: none;
  border: none;
  font-size: 32px;
  cursor: pointer;
  font-weight: bold;
}

.imagem {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 20px;
}

/* MOBILE */
@media (max-width: 600px) {
  .rodadas-header {
    font-size: 16px;
  }
  .seta {
    font-size: 26px;
  }
}