Корректное изменение размера блока

$(document).ready(function() { 
  var animation = false, 
      animDur = 1000, 
      $row = $('.box__row'), 
      $cell = $('.box__row-cell'), 
      $content = $('.box__content'), 
      $closeBtn = $('.box__close'); 
 
  var animFalse = function() { 
    animation = false; 
  } 
 
  var active = function() { 
    if (animation) return; 
    var cellData = $(this).data('cell'); 
    var $content = $('.box__content[data-content=' + cellData + ']'); 
    animation = true; 
 
    $cell.addClass('cell-fade'); 
    $(this).addClass('active'); 
    $content.addClass('show-content'); 
    $closeBtn.addClass('box-close-active'); 
 
    setTimeout(animFalse, animDur); 
  } 
 
  var close = function() { 
    animation = true; 
     
    $cell.removeClass('active cell-fade'); 
    $content.removeClass('show-content'); 
    $(this).removeClass('box-close-active'); 
 
    setTimeout(animFalse, animDur); 
  } 
 
  $row.on('click', '.box__row-cell', active); 
  $closeBtn.on('click', close); 
  $cell.on({ 
    mouseenter: function() { 
      $cell.addClass('hover-cell'); 
      $(this).removeClass('hover-cell'); 
    }, 
    mouseleave: function() { 
      $cell.removeClass('hover-cell'); 
    } 
  }); 
});

html { 
  box-sizing: border-box; 
  font-family: 'Roboto', sans-serif; 
} 
 
*, 
*:before, 
*:after { 
  box-sizing: inherit; 
  margin: 0; 
  padding: 0; 
} 
 
body { 
  overflow: hidden; 
} 
 
 
 
.box__row-cell { 
  position: absolute; 
  top: 0; 
  left: 25%; 
  height: 49%; 
  width: 24%; 
  margin-left: -12%; 
  background-color: rgba(0, 0, 0, 0.5); 
  -webkit-transform: translateZ(0); 
          transform: translateZ(0); 
  -webkit-transition: all 400ms 600ms, width 300ms 300ms, background-color 300ms 600ms; 
  transition: all 400ms 600ms, width 300ms 300ms, background-color 300ms 600ms; 
  cursor: pointer; 
  overflow: hidden; 
  z-index: 2; 
} 
.box__row-cell:after { 
  content: ''; 
  position: absolute; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%; 
  background-color: rgba(0, 0, 0, 0.5); 
  opacity: 0; 
  -webkit-transition: 500ms; 
  transition: 500ms; 
} 
.box__row-cell:before { 
  content: ''; 
  position: absolute; 
  top: -5%; 
  left: -5%; 
  width: 110%; 
  height: 110%; 
  background-color: transparent; 
  opacity: 1; 
  -webkit-transition: 300ms; 
  transition: 300ms; 
  z-index: -3; 
} 
.box__row-cell:hover:before { 
  background-color: #F25555; 
} 
.box__row-cell-info { 
  margin-left: 20px; 
  width: 100px; 
  color: black; 
  -webkit-transition: 400ms 850ms; 
  transition: 400ms 850ms; 
} 
.box__row-cell-info-ep { 
  margin-top: 25px; 
  font-size: 10px; 
} 
.box__row-cell-info-ep span { 
  padding-left: 10px; 
} 
@media screen and (max-height: 915px) { 
  .box__row-cell-info-ep { 
    margin-top: 10px; 
  } 
} 
.box__row-cell-info-title { 
  letter-spacing: 2px; 
  margin-top: 15px; 
  font-size: 20px; 
} 
@media screen and (max-height: 692px) { 
  .box__row-cell-info-title { 
    margin-top: 8px; 
    font-size: 18px; 
  } 
} 
@media screen and (max-height: 692px) { 
  .box__row-cell-info-title { 
    font-size: 16px; 
    margin-top: 4px; 
  } 
} 
.box__row-cell-info-sign { 
  margin: 15px 0 0 2px; 
  height: 3px; 
  width: 20px; 
  background-color: #fff; 
  border-radius: 1px; 
  -webkit-transition: 200ms; 
  transition: 200ms; 
  z-index: 10; 
} 
@media screen and (max-height: 800px) { 
  .box__row-cell-info-sign { 
    margin-top: 10px; 
  } 
} 
.box__row-cell-info--time { 
  position: absolute; 
  bottom: 18px; 
  font-size: 10px; 
} 
@media screen and (max-height: 650px) { 
  .box__row-cell-info--time { 
    right: 20px; 
    text-align: right; 
  } 
} 
.box__row-cell-info--full { 
  -webkit-transform: translateX(-50px); 
          transform: translateX(-50px); 
  opacity: 0; 
  margin: 50px 0 0 90px; 
  -webkit-transition: 300ms; 
  transition: 300ms; 
} 
.box__row-cell-info--full-heading { 
  line-height: 60px; 
  width: 300px; 
  color: #131313; 
  font-size: 60px; 
  font-weight: 900; 
} 
.box__row-cell-info--full-par { 
  padding-top: 50px; 
  color: #fff; 
} 
.box__row-cell:nth-child(2) { 
  left: 50%; 
} 
 
.box__row-cell:nth-child(3) { 
  left: 75%; 
} 
.box__row:nth-child(2) .box__row-cell { 
  top: 67.5%; 
} 
.box__row:nth-child(3) .box__row-cell { 
  top: 100%; 
} 
.box__content { 
  position: absolute; 
  width: 100%; 
  height: 100%; 
  left: 0; 
  background-color: #1C1E22; 
  -webkit-transform: translateZ(0); 
          transform: translateZ(0); 
  opacity: 0; 
  z-index: -10; 
  -webkit-transition: all 400ms 600ms, z-index 0ms 0ms; 
  transition: all 400ms 600ms, z-index 0ms 0ms; 
} 
.box__content-wrapper { 
  position: relative; 
  margin-left: auto; 
  width: 50%; 
  height: 100%; 
  overflow: hidden; 
} 
.box__content-inner { 
  position: absolute; 
  left: 18px; 
  -webkit-transform: translateX(50px); 
          transform: translateX(50px); 
  width: 100%; 
  height: 100%; 
  overflow: auto; 
  opacity: 0; 
  -webkit-transition: 400ms, opacity 200ms; 
  transition: 400ms, opacity 200ms; 
} 
.box__content-text { 
  padding: 20px 0 30px 8px; 
  width: 300px; 
  max-width: 100%; 
  color: #ababab; 
} 
.box__content-text-heading { 
  position: relative; 
  margin: 50px 0 20px 0; 
  color: #f5f5f5; 
  font-size: 16px; 
} 
.box__content-text-heading:after { 
  content: ''; 
  position: absolute; 
  top: -15px; 
  left: 0; 
  width: 20px; 
  height: 2px; 
  background-color: #a73c3c; 
  box-shadow: 0 0 1px 0 #a73c3c; 
} 
.box__content-text-par { 
  line-height: 22px; 
  padding-bottom: 10px; 
  font-size: 14px; 
} 
.box__content-text-list { 
  list-style-type: none; 
} 
.box__content-text-item { 
  padding-bottom: 3px; 
  font-size: 14px; 
} 
.box__content-text-link { 
  text-decoration: none; 
  color: #ababab; 
  font-size: 14px; 
} 
.box__content-text-link:hover { 
  text-decoration: underline; 
} 
.box__close { 
  position: absolute; 
  top: 50px; 
  left: 100px; 
  height: 20px; 
  width: 20px; 
  font-size: 0; 
  cursor: pointer; 
  z-index: 9999; 
} 
.box__close:after, .box__close:before { 
  content: ''; 
  position: absolute; 
  top: 9px; 
  left: -14px; 
  -webkit-transform: rotate(45deg); 
          transform: rotate(45deg); 
  width: 35px; 
  height: 2px; 
  background-color: #fff; 
  opacity: 0; 
  -webkit-transition: 500ms; 
  transition: 500ms; 
} 
.box__close:before { 
  -webkit-transform: rotate(-45deg); 
          transform: rotate(-45deg); 
} 
.box__close span { 
  position: relative; 
  display: inline-block; 
  margin: 1px; 
  width: 4px; 
  height: 4px; 
  border-radius: 50%; 
  background-color: white; 
  -webkit-transition: 400ms 500ms; 
  transition: 400ms 500ms; 
} 
.box__close span:nth-child(6) { 
  right: 6px; 
} 
.box__close span:nth-child(7) { 
  right: 6px; 
} 
.box__close span:nth-child(8) { 
  right: 6px; 
} 
.box__close span:nth-child(9) { 
  right: 6px; 
} 
.box__close span:nth-child(10) { 
  right: 6px; 
} 
.box__episodes { 
  position: absolute; 
  top: 28%; 
  right: 15px; 
  color: #fff; 
  letter-spacing: 2px; 
  font-size: 10px; 
} 
.box__episodes:after { 
  content: ''; 
  position: absolute; 
  top: -20px; 
  right: 2px; 
  width: 15px; 
  height: 1px; 
  background-color: #fff; 
} 
 
@-webkit-keyframes smokebg { 
  25% { 
    -webkit-transform: translate3d(100px, 0, 0) rotate(0.01deg); 
            transform: translate3d(100px, 0, 0) rotate(0.01deg); 
  } 
  50% { 
    -webkit-transform: translate3d(75px, -25px, 0) rotate(0.01deg); 
            transform: translate3d(75px, -25px, 0) rotate(0.01deg); 
  } 
  75% { 
    -webkit-transform: translate3d(45px, 30px, 0) rotate(0.01deg); 
            transform: translate3d(45px, 30px, 0) rotate(0.01deg); 
  } 
  100% { 
    -webkit-transform: translate3d(25px, -15px, 0) rotate(0.01deg); 
            transform: translate3d(25px, -15px, 0) rotate(0.01deg); 
  } 
} 
@keyframes smokebg { 
  25% { 
    -webkit-transform: translate3d(100px, 0, 0) rotate(0.01deg); 
            transform: translate3d(100px, 0, 0) rotate(0.01deg); 
  } 
  50% { 
    -webkit-transform: translate3d(75px, -25px, 0) rotate(0.01deg); 
            transform: translate3d(75px, -25px, 0) rotate(0.01deg); 
  } 
  75% { 
    -webkit-transform: translate3d(45px, 30px, 0) rotate(0.01deg); 
            transform: translate3d(45px, 30px, 0) rotate(0.01deg); 
  } 
  100% { 
    -webkit-transform: translate3d(25px, -15px, 0) rotate(0.01deg); 
            transform: translate3d(25px, -15px, 0) rotate(0.01deg); 
  } 
} 
 
.active { 
  margin-left: 0; 
  left: 0 !important; 
  top: 0 !important; 
  height: 100%; 
  width: 50%; 
  background-color: #F25555; 
  z-index: 5; 
  -webkit-transition: all 400ms 400ms, width 300ms 800ms; 
  transition: all 400ms 400ms, width 300ms 800ms; 
  cursor: default; 
  opacity: 1 !important; 
} 
 
.box__row-cell.active:nth-child(2) { 
 
} 
 
.active .box__row-cell-info:nth-child(1) { 
  -webkit-transform: translateX(50px); 
          transform: translateX(50px); 
  opacity: 0; 
  -webkit-transition: 300ms 0ms ease-in, opacity 375ms 0ms; 
  transition: 300ms 0ms ease-in, opacity 375ms 0ms; 
} 
.active .box__row-cell-info:nth-child(2) { 
  -webkit-transform: translateX(50px); 
          transform: translateX(50px); 
  opacity: 0; 
  -webkit-transition: 300ms 50ms ease-in, opacity 375ms 50ms; 
  transition: 300ms 50ms ease-in, opacity 375ms 50ms; 
} 
.active .box__row-cell-info:nth-child(3) { 
  -webkit-transform: translateX(50px); 
          transform: translateX(50px); 
  opacity: 0; 
  -webkit-transition: 300ms 100ms ease-in, opacity 375ms 100ms; 
  transition: 300ms 100ms ease-in, opacity 375ms 100ms; 
} 
.active .box__row-cell-info:nth-child(4) { 
  -webkit-transform: translateX(50px); 
          transform: translateX(50px); 
  opacity: 0; 
  -webkit-transition: 300ms 150ms ease-in, opacity 375ms 150ms; 
  transition: 300ms 150ms ease-in, opacity 375ms 150ms; 
} 
.active .box__row-cell-info--full { 
  -webkit-transform: translateX(0); 
          transform: translateX(0); 
  opacity: 1; 
  -webkit-transition: 300ms 900ms; 
  transition: 300ms 900ms; 
} 
 
.cell-fade { 
  opacity: 0; 
  -webkit-transition: all 400ms 400ms, width 300ms 800ms, opacity 200ms 300ms; 
  transition: all 400ms 400ms, width 300ms 800ms, opacity 200ms 300ms; 
} 
 
.hover-cell:after { 
  opacity: 1; 
} 
 
.show-content { 
  opacity: 1; 
  z-index: 2; 
  -webkit-transition: all 300ms 400ms, z-index 0ms 0ms; 
  transition: all 300ms 400ms, z-index 0ms 0ms; 
} 
.show-content .box__content-inner { 
  -webkit-transform: translateX(0); 
          transform: translateX(0); 
  opacity: 1; 
  -webkit-transition: 300ms 1100ms; 
  transition: 300ms 1100ms; 
} 
 
.box-close-active:after, .box-close-active:before { 
  opacity: 1; 
  -webkit-transform: rotate(135deg); 
          transform: rotate(135deg); 
  -webkit-transition: 500ms 800ms; 
  transition: 500ms 800ms; 
} 
.box-close-active:before { 
  -webkit-transform: rotate(45deg); 
          transform: rotate(45deg); 
} 
.box-close-active span { 
  opacity: 0; 
  -webkit-transition: 0ms 800ms; 
  transition: 0ms 800ms; 
}

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                Ut condimentum 
              </li> 
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                Quisque sodales 
              </li> 
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