<div id="modal-container">
  <div class="modal-background">
    <div class="modal">
      <h2>I'm a Modal</h2>
      <p>Hear me roar.</p>
      <svg class="modal-svg" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" preserveAspectRatio="none">
								<rect x="0" y="0" fill="none" width="226" height="162" rx="3" ry="3"></rect>
							</svg>
    </div>
  </div>
</div>
<div class="content">
  <h1>Modal Animations</h1>
  <div class="buttons">
    <div id="one" class="button">Unfolding</div>
    <div id="two" class="button">Revealing</div>
    <div id="three" class="button">Uncovering</div>
    <div id="four" class="button">Blow Up</div><br>
    <div id="five" class="button">Meep Meep</div>
    <div id="six" class="button">Sketch</div>
    <div id="seven" class="button">Bond</div>
  </div>
</div>
* {
  box-sizing:border-box;
}

html,body {
  min-height:100%;
  height:100%;
  background-image:url(http://theartmad.com/wp-content/uploads/Dark-Grey-Texture-Wallpaper-5.jpg);
  background-size:cover;
  background-position:top center;
  font-family:helvetica neue, helvetica, arial, sans-serif;
  font-weight:200;
  &.modal-active {
    overflow: hidden;
  }
}

#modal-container {
  position:fixed;
  display:table;
  height:100%;
  width:100%;
  top:0;
  left:0;
  transform:scale(0);
  z-index:1;
  &.one {
    transform:scaleY(.01) scaleX(0);
    animation:unfoldIn 1s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
    .modal-background {
      .modal {
        transform:scale(0);
        animation: zoomIn .5s .8s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      }
    }
    &.out {
      transform:scale(1);
      animation:unfoldOut 1s .3s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      .modal-background {
        .modal {
          animation: zoomOut .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        }
      }
    }
  }
  &.two {
    transform:scale(1);
    .modal-background {
      background:rgba(0,0,0,.0);
      animation: fadeIn .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      .modal {
        opacity:0;
        animation: scaleUp .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      }
    }
    + .content {
      animation: scaleBack .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
    }
    &.out {
      animation: quickScaleDown 0s .5s linear forwards;
      .modal-background {
        animation: fadeOut .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        .modal {
           animation: scaleDown .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        }
      }
      + .content {
        animation: scaleForward .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      }
    }
  }
  &.three {
    z-index:0;
    transform:scale(1);
    .modal-background {
      background:rgba(0,0,0,.6);
      .modal {
        animation: moveUp .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      }
    }
    + .content {
      z-index:1;
      animation: slideUpLarge .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
    }
    &.out {
      .modal-background {
        .modal {
          animation: moveDown .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        }
      }
      + .content {
        animation: slideDownLarge .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      }
    }
  }
  &.four {
    z-index:0;
    transform:scale(1);
    .modal-background {
      background:rgba(0,0,0,.7);
      .modal {
        animation: blowUpModal .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      }
    }
    + .content {
      z-index:1;
      animation:blowUpContent .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
    }
    &.out {
      .modal-background {
        .modal {
          animation: blowUpModalTwo .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        }
      }
      + .content {
        animation: blowUpContentTwo .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      }
    }
  }
  &.five {
    transform:scale(1);
    .modal-background {
      background:rgba(0,0,0,.0);
      animation: fadeIn .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      .modal {
        transform:translateX(-1500px);
        animation: roadRunnerIn .3s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      }
    }
    &.out {
      animation: quickScaleDown 0s .5s linear forwards;
      .modal-background {
        animation: fadeOut .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        .modal {
          animation: roadRunnerOut .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        }
      }
    }
  }
  &.six {
    transform:scale(1);
    .modal-background {
      background:rgba(0,0,0,.0);
      animation: fadeIn .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      .modal {
        background-color:transparent;
        animation: modalFadeIn .5s .8s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        h2,p {
          opacity:0;
          position:relative;
          animation: modalContentFadeIn .5s 1s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        }
        .modal-svg {
          rect {
            animation: sketchIn .5s .3s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
          }
        }
      }
    }
    &.out {
      animation: quickScaleDown 0s .5s linear forwards;
      .modal-background {
        animation: fadeOut .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        .modal {
          animation: modalFadeOut .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
          h2,p {
            animation: modalContentFadeOut .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
          }
          .modal-svg {
            rect {
              animation: sketchOut .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
            }
          }
        }
      }
    }
  }
  &.seven {
    transform:scale(1);
    .modal-background {
      background:rgba(0,0,0,.0);
      animation: fadeIn .5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
      .modal {
        height:75px;
        width:75px;
        border-radius:75px;
        overflow:hidden;
        animation: bondJamesBond 1.5s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        h2,p {
          opacity:0;
          position:relative;
          animation: modalContentFadeIn .5s 1.4s linear forwards;
        }
      }
    }
    &.out {
      animation: slowFade .5s 1.5s linear forwards;
      .modal-background {
        background-color:rgba(0,0,0,.7);
        animation: fadeToRed 2s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
        .modal {
          border-radius:3px;
          height:162px;
          width:227px;
          animation: killShot 1s cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
          h2,p {
            animation:modalContentFadeOut .5s .5 cubic-bezier(0.165, 0.840, 0.440, 1.000) forwards;
          }
        }
      }
    }
  }
  .modal-background {
    display:table-cell;
    background:rgba(0,0,0,.8);
    text-align:center;
    vertical-align:middle;
    .modal {
      background:white;
      padding:50px;
      display:inline-block;
      border-radius:3px;
      font-weight:300;
      position:relative;
      h2 {
        font-size:25px;
        line-height:25px;
        margin-bottom:15px;
      }
      p {
        font-size:18px;
        line-height:22px;
      }
      .modal-svg {
        position:absolute;
        top:0;
        left:0;
        height:100%;
        width:100%;
        border-radius:3px;
        rect {
          stroke: #fff;
          stroke-width: 2px;
          stroke-dasharray: 778;
          stroke-dashoffset: 778;
        }
      }
    }
  }
}

.content {
  min-height:100%;
  height:100%;
  background:white;
  position:relative;
  z-index:0;
  h1 {
    padding:75px 0 30px 0;
    text-align:center;
    font-size:30px;
    line-height:30px;
  }
  .buttons {
    max-width:800px;
    margin:0 auto;
    padding:0;
    text-align:center;
    .button {
      display:inline-block;
      text-align:center;
      padding:10px 15px;
      margin:10px;
      background:red;
      font-size:18px;
      background-color:#efefef;
      border-radius:3px;
      box-shadow:0 1px 2px rgba(0,0,0,.3);
      cursor:pointer;
      &:hover {
        color:white;
        background:#009bd5;
      }
    }
  } 
}

@keyframes unfoldIn {
  0% {
    transform:scaleY(.005) scaleX(0);
  }
  50% {
    transform:scaleY(.005) scaleX(1);
  }
  100% {
    transform:scaleY(1) scaleX(1);
  }
}

@keyframes unfoldOut {
  0% {
    transform:scaleY(1) scaleX(1);
  }
  50% {
    transform:scaleY(.005) scaleX(1);
  }
  100% {
    transform:scaleY(.005) scaleX(0);
  }
}

@keyframes zoomIn {
  0% {
    transform:scale(0);
  }
  100% {
    transform:scale(1);
  }
}

@keyframes zoomOut {
  0% {
    transform:scale(1);
  }
  100% {
    transform:scale(0);
  }
}

@keyframes fadeIn {
  0% {
    background:rgba(0,0,0,.0);
  }
  100% {
    background:rgba(0,0,0,.7);
  }
}

@keyframes fadeOut {
  0% {
    background:rgba(0,0,0,.7);
  }
  100% {
    background:rgba(0,0,0,.0);
  }
}

@keyframes scaleUp {
  0% {
    transform:scale(.8) translateY(1000px);
    opacity:0;
  }
  100% {
    transform:scale(1) translateY(0px);
    opacity:1;
  }
}

@keyframes scaleDown {
  0% {
    transform:scale(1) translateY(0px);
    opacity:1;
  }
  100% {
    transform:scale(.8) translateY(1000px);
    opacity:0;
  }
}

@keyframes scaleBack {
  0% {
    transform:scale(1);
  }
  100% {
    transform:scale(.85);
  }
}

@keyframes scaleForward {
  0% {
    transform:scale(.85);
  }
  100% {
    transform:scale(1);
  }
}

@keyframes quickScaleDown {
  0% {
    transform:scale(1);
  }
  99.9% {
    transform:scale(1);
  }
  100% {
    transform:scale(0);
  }
}

@keyframes slideUpLarge {
  0% {
    transform:translateY(0%);
  }
  100% {
    transform:translateY(-100%);
  }
}

@keyframes slideDownLarge {
  0% {
    transform:translateY(-100%);
  }
  100% {
    transform:translateY(0%);
  }
}

@keyframes moveUp {
  0% {
    transform:translateY(150px);
  }
  100% {
    transform:translateY(0);
  }
}

@keyframes moveDown {
  0% {
    transform:translateY(0px);
  }
  100% {
    transform:translateY(150px);
  }
}

@keyframes blowUpContent {
  0% {
    transform:scale(1);
    opacity:1;
  }
  99.9% {
    transform:scale(2);
    opacity:0;
  }
  100% {
    transform:scale(0);
  }
}

@keyframes blowUpContentTwo {
  0% {
    transform:scale(2);
    opacity:0;
  }
  100% {
    transform:scale(1);
    opacity:1;
  }
}

@keyframes blowUpModal {
  0% {
    transform:scale(0);
  }
  100% {
    transform:scale(1);
  }
}

@keyframes blowUpModalTwo {
  0% {
    transform:scale(1);
    opacity:1;
  }
  100% {
    transform:scale(0);
    opacity:0;
  }
}

@keyframes roadRunnerIn {
  0% {
    transform:translateX(-1500px) skewX(30deg) scaleX(1.3);
  }
  70% {
    transform:translateX(30px) skewX(0deg) scaleX(.9);
  }
  100% {
    transform:translateX(0px) skewX(0deg) scaleX(1);
  }
}

@keyframes roadRunnerOut {
  0% {
    transform:translateX(0px) skewX(0deg) scaleX(1);
  }
  30% {
    transform:translateX(-30px) skewX(-5deg) scaleX(.9);
  }
  100% {
    transform:translateX(1500px) skewX(30deg) scaleX(1.3);
  }
}

@keyframes sketchIn {
	0% {
		stroke-dashoffset: 778;
	}
	100% {
		stroke-dashoffset: 0;
	}
}

@keyframes sketchOut {
	0% {
		stroke-dashoffset: 0;
	}
	100% {
		stroke-dashoffset: 778;
	}
}

@keyframes modalFadeIn {
  0% {
    background-color:transparent;
  }
  100% {
    background-color:white;
  }
}

@keyframes modalFadeOut {
  0% {
    background-color:white;
  }
  100% {
    background-color:transparent;
  }
}

@keyframes modalContentFadeIn {
  0% {
    opacity:0;
    top:-20px;
  }
  100% {
    opacity:1;
    top:0;
  }
}

@keyframes modalContentFadeOut {
  0% {
    opacity:1;
    top:0px;
  }
  100% {
    opacity:0;
    top:-20px;
  }
}

@keyframes bondJamesBond {
  0% {
    transform:translateX(1000px);
  }
  80% {
    transform:translateX(0px);
    border-radius:75px;
    height:75px;
    width:75px;
  }
  90% {
    border-radius:3px;
    height:182px;
    width:247px;
  }
  100% {
    border-radius:3px;
    height:162px;
    width:227px;
  }
}

@keyframes killShot {
  0% {
    transform:translateY(0) rotate(0deg);
    opacity:1;
  }
  100% {
    transform:translateY(300px) rotate(45deg);
    opacity:0;
  }
}

@keyframes fadeToRed {
  0% {
    background-color:rgba(black,.6);
  }
  100% {
    background-color:rgba(red,.8);
  }
}

@keyframes slowFade {
  0% {
    opacity:1;
  }
  99.9% {
    opacity:0;
    transform:scale(1);
  }
  100% {
    transform:scale(0);
  }
}
View Compiled
$('.button').click(function(){
  var buttonId = $(this).attr('id');
  $('#modal-container').removeAttr('class').addClass(buttonId);
  $('body').addClass('modal-active');
})

$('#modal-container').click(function(){
  $(this).addClass('out');
  $('body').removeClass('modal-active');
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js