.alive {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}
.background-blob {
  position: absolute;
  top: 70px;
  left: 600px;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0.6;
  z-index: -2;
}
.background-blob-2 {
  position: absolute;
  top: 100px;
  right: 600px;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0.6;
  z-index: -2;
}
.background-blob-3 {
  position: absolute;
  top: 0px;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0.6;
  z-index: -2;
}

.pulser {
  width: 40vmin;
  height: 40vmin;
  border-radius: 50%;
  mix-blend-mode: screen;
  background: #ff20ff;
  position: absolute;
  transform-origin: 30vmin 35vmin;
  animation: filtered 4000ms 0ms infinite alternate linear;
  will-change: filter, transform;
  mix-blend-mode: soft-light;
}

@keyframes filtered {
  0% {
    filter: blur(13vmin);
  }
  100% {
    filter: blur(30vmin);
  }
}

.contenido {
  position: relative;
  z-index: 1;
  padding: 5rem;
  color: white;
  text-align: center;
}