hover.css

.header h1:hover {
  filter: brightness(200%);
  transition: all 1s;
}
.header h2:hover {
  filter: brightness(200%);
  transition: all 1s;
}
.header h3:hover {
  filter: brightness(150%);
  transition: all 1s;
}

h5:hover {
  filter: brightness(200%);
  transition: all 1s;
}
h6:hover {
  filter: brightness(200%);
  transition: all 1s;
}
.noticia-direita img:hover {
  filter: brightness(50%);
  transition: all 1s;
}
.imagem-esquerda img:hover {
  filter: brightness(50%);
  transition: all 1s;
}