.content-slider {
  width: 98%;
  max-width: 450px;
  margin: auto;
  overflow: hidden;
  position: relative;
}

/*-----------------1-----------------------*/
.slide1-disolvencia {
 
  width: 100%;

  margin: auto;
  animation: cambiar1 20s infinite;
}
.imagen1-disolvencia {
  width: 100%;
}
.imagen1-disolvencia img {
  width: 100%;
}
@keyframes cambiar1 {
  0% {
    opacity: 0.0;
  }
  3% {
    opacity: 1;
  }
  30% {
    opacity: 1;
  }
  33% {
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}
/*------------------2--------------*/
.slider2-disolvencia {

  width: 100%;

  margin: auto;

  position: absolute;
  top: 0.2%;
  left: 0.6%;

  animation: cambiar2 20s infinite;
}
.imagen2-disolvencia {
  width: 100%;
}
.imagen2-disolvencia img {
  width: 100%;
}
@keyframes cambiar2 {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 0;
  }
  33% {
    opacity: 1;
  }
  63% {
    opacity: 1;
  }
  66% {
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}

/*----------------3------------*/

.slider3-disolvencia {

  width: 100%;

  margin: auto;

  position: absolute;
  top: 0.2%;
  left: 0.6%;

  animation: cambiar3 20s infinite;
}
.imagen3-disolvencia {
  width: 100%;
}
.imagen3-disolvencia img {
  width: 100%;
}
@keyframes cambiar3 {
  0% {
    opacity: 0;
  }
  63% {
    opacity: 0;
  }
  67% {
    opacity: 1;
  }
  97% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
  
}