#seccionimagens {
    display: flex;
    width: 100%;
    height: 400px;
    -ms-high-contrast-adjust: inherit; 
  }

  #seccionimagens img {
    width: 0px;
    flex-grow: 1;
    object-fit: cover;
    opacity: 0.9;
    transition: .5s ease;
  }

  #seccionimagens img:hover {
    cursor: crosshair; 
    width: 1000px;
    height: 400px;
    opacity: 1;
    filter: contrast(100%);
   
  }

#cuerpo{
    background-color: hwb(43 35% 67% / 0.5);
  }