*, *::after, *::before {
    border: 0;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  :root {
    --hue: 65;
    --bkg: var(--hue) 50% 96%;
    --text: var(--hue) 70% 9%;
    --dark: var(--hue) 70% 3%;
  }
  
  body {
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    display: grid;
    place-items: center;
    animation: fadeInAnimation ease 2s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards;
  }

@keyframes fadeInAnimation {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

.wrapper {
    padding: 0;
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
  }

.regreso {
  position: fixed;
  cursor: pointer;
  background: none;
  transform: scale(0.5);
  right: -5px;
  top: -10px;
  z-index: 1;
}

.control {
  position: fixed;
  cursor: pointer;
  background: none;
  transform: scale(0.15);
  z-index: 2;
  right: -17em;
  bottom: -10em;
}
  
  .image-container {
    display: flex;
    place-items: center;
    position: relative;
    margin: auto;
    padding: 0;
    width: 954px;
    height: 720px;
  }

  .portada {
    position: absolute;
    display: block;
    margin: auto;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    }

.btn {
    position: absolute;
    border-radius: 50%;
    appearance: button;
    cursor: pointer;
    text-decoration: none !important;
    background-color: #FAAD4860;
    transition: background-color 0.4s ease-in-out;
}
  
.btn:is(:hover, :focus) {
    background-color: #FAAD48ab;
}

#unicobtn {
  width: 11.5%;
  height: 15%;
  left: 75.5%;
  top: 64%;
}

@media only screen and (min-width: 1400px) and (min-height: 850px) {
  .image-container {
    width: 1113px;
    height: 840px;
  }
}