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HTML 

              
                <section class='containers'>Scroll Below</section>
<section class='containers second'>Not The end

  <div class='contenitore-css-macbook'>
    <!-- Add or remove "with-glare" class. Removing the glare makes the screen interactive -->

    <div class="css-macbook">
      <div class="macbook-display-position">
        <div class="macbook-display">
          <div class="macbook-screen-position">
            <div class="macbook-screen">

              <video allowfullscreen poster="//i.pinimg.com/originals/20/c6/c6/20c6c675b8570c4c0c64d115bf7b8180.gif" class="video-ux-design" playsinline="true" webkit-playsinline="true" muted="muted">
                <source src="https://staging11.whynot.media/assets/uploads/2022/01/UI_UX_DESIGN_PROCESS-vimeo-93634945-http-1080p-sub-2.0-61.0.mp4" id="sample" type="video/mp4">
              </video>
              <!-- <img src="https://unsplash.imgix.net/photo-1418479631014-8cbf89db3431?fit=crop&fm=jpg&h=500&q=75&w=800" alt="example image" /> -->
              <!-- Image By André Freitas from unsplash.com -->

              <!-- Youtube - don't forget to remove glare -->
              <!-- <iframe width="960" height="480" src="https://www.youtube.com/emacbooked/GUEZCxBcM78?rel=0&amp;showinfo=0&amp;iv_load_policy=3&amp;controls=2" frameborder="0"></iframe> -->
              <!-- Notice: Youtube has some toruble with emacbooked players and gives consol errors -->

              <!-- Iframe, simple website - don't forget to remove glare -->
              <!-- <iframe src="http://example.com" frameborder="0"></iframe> -->

            </div>
          </div>
        </div>
      </div>
      <div class="macbook-body"></div>
      <div class="macbook-bottom-cover"></div>
    </div>

  </div>
</section>
<section class='containers third'>The real end</section>
!

CSS 

              
                :root,body {
  width: 100%;
  height: auto;
  margin: 0;
  overflow-x: hidden;
}
.containers {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
    align-items: center;
    justify-content: center;
    align-content: center;
}

.containers:nth-of-type(1) {
  background-color: lightgrey;
}
.containers.second {
  background-color: orange;
}

.containers.third {
  background-color: darkseagreen;
}

/*MACBOOK PRO*/
.contenitore-css-macbook{width:100%,overflow:hidden;height:50vh;margin-top:25vh;position:relative}

.css-macbook {
  max-width: 100%; /* Set the desired maximum width of the macbook */
  min-width: 99vmin; /* Set the desired minimum width of the macbook */
  margin: 50px auto 0; /* Align mockup to center */
}

.css-macbook div {
  box-sizing: border-box !important; /* Just in case */
}

/* Center the display */
.css-macbook .macbook-display-position {
  width: 80%;
  margin: 0 auto;
}

/* The display */
.css-macbook .macbook-display {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 65.9442%;
  background: #373435;
  
  -webkit-border-top-left-radius:  3.5% 5.3075%;
      -moz-border-radius-topleft:  3.5% 5.3075%;
          border-top-left-radius:  3.5% 5.3075%;
  
  -webkit-border-top-right-radius: 3.5% 5.3075%;
      -moz-border-radius-toptight: 3.5% 5.3075%;
          border-top-right-radius: 3.5% 5.3075%;
  outline:.5px solid #fff
}

/* Webcam */
/* Browser may not render a perfect circle */
.css-macbook .macbook-display:before {
  content: '';
  display: block;
  position: absolute;
  top: 3%;
  left: 50%;
  width: 1%;
  height: 1.5164%;
  margin-left: -0.5%;
  border-radius: 50%;
  background: #999;
  opacity:0;
  transition: opacity .3s ease
}

.acceso
.macbook-display:before{opacity:1;display:block}

/* Glare */
/* Browser may not render the top and right offset evenly */
.css-macbook .macbook-display:after {
  content: '';
  display: none;
  position: absolute;
  right: 0.4%;
  top: 0.64%; 
  width: 62.5%;
  height: 100%;
  
  background: none; /* Hide the gradient on older browsers */
  background:    -moz-linear-gradient(55deg, rgba(0,0,0,0) 61%, rgba(255,255,255,0.05) 61%); /* FF3.6+ */
  background: -webkit-linear-gradient(36deg, rgba(0,0,0,0) 61%, rgba(255,255,255,0.05) 61%); /* Chrome10+ and Safari5.1+ compute the degree differently */
  background:      -o-linear-gradient(55deg, rgba(0,0,0,0) 61%, rgba(255,255,255,0.05) 61%); /* Opera 11.10+ */
  background:     -ms-linear-gradient(55deg, rgba(0,0,0,0) 61%, rgba(255,255,255,0.05) 61%); /* IE10+ */
  background:         linear-gradient(55deg, rgba(0,0,0,0) 61%, rgba(255,255,255,0.05) 61%);
  
  -webkit-border-top-right-radius: 5.3075%;
      -moz-border-radius-toptight: 5.3075%;
          border-top-right-radius: 5.3075%;
}

/* Only show glare, if the class is applied */
.css-macbook.with-glare .macbook-display:after { display: block; }

/* Position the screen and give make it the right size, ratio 16:10 */
.css-macbook .macbook-screen-position {
  position: absolute;
  top: 6.5%;
  width: 93.2%;
  left: 3.4%;
  height: 0;
  margin: 0;
  padding-bottom: 58.25%; /* Ratio */
}

/* Give parent (this element) a "height", so that child elements can use height: 100%;*/
.css-macbook .macbook-screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  background: #4b4b4d; /* bg color if content is not big enough, or rendering is off */
}

/* Image on the screen */
.css-macbook .macbook-screen img {
  max-width: 100%;
  height: auto;
}

/* Iframe on the screen */
.css-macbook .macbook-screen iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Macbook body */
.css-macbook .macbook-body {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 2.3%;
  background: #e6e7e8;
}

/* The groove */
.css-macbook .macbook-body:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 50%;
  width: 14.0740%;
  height: 0;
  padding-bottom: 1.4814%;
  margin-left: -7.037%;
  background: #a9abae;
  
  -webkit-border-bottom-left-radius:  7.0370% 50%;
      -moz-border-radius-bottomleft:  7.0370% 50%;
          border-bottom-left-radius:  7.0370% 50%;
  
  -webkit-border-bottom-right-radius: 7.0370% 50%;
      -moz-border-radius-bottomtight: 7.0370% 50%;
          border-bottom-right-radius: 7.0370% 50%;  
}

/* Macbook bottom */
.css-macbook .macbook-bottom-cover {
  width: 100%;
  height: 0;
  padding-bottom: 0.7407%;
  background: #a9abae;
  
  -webkit-border-bottom-left-radius:  12% 600%;
      -moz-border-radius-bottomleft:  12% 600%;
          border-bottom-left-radius:  12% 600%;
  
  -webkit-border-bottom-right-radius: 12% 600%;
      -moz-border-radius-bottomtight: 12% 600%;
          border-bottom-right-radius: 12% 600%; 
}

.video-ux-design {
    width: 100%;
    height: -webkit-fill-available;
    object-fit: cover;
}
!

JS 

              
                let videoElem = document.querySelector(".video-ux-design");
let src = videoElem.currentSrc || videoElem.src;

function once(a, b, c, d) {
  var e = function () {
    a.removeEventListener(b, e), c.apply(this, arguments);
  };
  return a.addEventListener(b, e, d), e;
}
once(document.documentElement, "touchstart", function () {
  videoElem.play(), videoElem.pause();
}),
  ScrollTrigger.create({
    trigger: videoElem,
    start: "top 70%",
    end: "bottom",
    markers: !0,
    onEnter: () => videoElem.play(),
    onEnterBack: () => videoElem.play(),
    onLeave: () => videoElem.pause(),
    onLeaveBack: () => videoElem.pause()
  });
//videoElem.play();
let video_timeline = gsap.timeline({
  scrollTrigger: {
    trigger: ".second",
    start: "top top",
    markers: !0,
    scrub: !0,
    pin: !0,
    toggleClass: "acceso"
  }
});
video_timeline
  .fromTo(
    ".macbook-display",
    {
      backgroundColor: "transparent",
      outline: "none"
    },
    {
      backgroundColor: "#373435",
      duration: 5,
      outline: ".5px solid #fff",
      delay:10
    }
  )
  .fromTo(
    ".css-macbook",
    {
      scale: 3.5
    },
    {
      scale: 0.7,
      duration: 10,
      delay: 5
    }
  )
  .fromTo(
    ".macbook-bottom-cover,.macbook-body",
    {
      autoAlpha: 0
    },
    {
      autoAlpha: 1,
      duration: 10
    }
  )
  .fromTo(
    ".video-ux-design",
    {
      height: "100%",
      objectFit: "cover"
    },
    {
      height: "-webkit-fill-available",
      duration: 5
    }
  )
  .fromTo(
    ".macbook-screen",
    {
      backgroundColor: "transparent"
    },
    {
      backgroundColor: "#4b4b4d",
      duration: 2,
      delay: 10
    }
  );
let video_tl = gsap.timeline({
  defaults: {
    duration: 1
  },
  scrollTrigger: {
    trigger: videoElem,
    start: "center center",
    end: "+=600",
    scrub: !0
  }
});
once(videoElem, "loadedmetadata", () => {
  video_tl.fromTo(
    videoElem,
    {
      currentTime: 0.01
    },
    {
      currentTime: videoElem.duration || 1
    }
  );
}),
  setTimeout(function () {
    window.fetch &&
      fetch(src)
        .then((a) => a.blob())
        .then((a) => {
          let b = URL.createObjectURL(a),
            c = videoElem.currentTime;
          once(document.documentElement, "touchstart", function () {
            videoElem.play(), videoElem.pause();
          }),
            videoElem.setAttribute("src", b),
            (videoElem.currentTime = c + 0.01);
        });
  }, 1e3);
!
999px

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