SOURCE

setTimeout(function() {
  $('.html,.css,.js').css('margin','8px 3px 0 0');
  $('.bar_anim1').css('width',0);
  $('.bar_anim2').css('width',0);
  $('.bar_anim3').css('width',0)
  $('.file').css({'top':'calc(50% + 15px)','opacity':1});
},500)

<div class="file">
  <div class="field"></div>
  <div class="text">index.html</div>
</div>
<div class="content">
  <div class="html">HTML</div>
  <div class="css">CSS</div>
  <div class="js">JS</div>
  <div class="bar"></div>
  <div class="bar_anim1"></div>
  <div class="bar_anim2"></div>
  <div class="bar_anim3"></div>
</div>

@font-face {
  font-family: FontAwesome;
  src: url(data:application/x-font-woff;charset=utf-8;base64,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) format('woff');
}
.content,.file {
  position: fixed;
  top: calc(50% - 55px);
  background: #f8f8f8;
  border-radius: 3px;
  overflow: hidden
}
.content {
  left: calc(50% - 300px);
  width: 600px;
  height: 50px;
  text-align: center;
  border: 1px solid #B0BEC5;
}
.file {
  left: calc(50% - 135px);
  width: 270px;
  height: 36px;
  border: 1px solid #4CAF50;
  opacity: 0;
  transition: .8s;
  transition-delay: 1.8s;
}
.text {
  margin-left: 45px;
  font: bold 11pt Verdana;
  line-height: 36px;
  color: #333
}
.text:before {
  content: '\f15c';
  position: absolute;
  font: 16pt FontAwesome;
  transform: translate(-28px, 7px);
}
.text:after {
  content: '(83.1 kB)';
  position: absolute;
  margin-left: 8px;
  font: 10pt Verdana;
  color: #626262;
  transform: translate(0, 10px);
}
.field {
  position: absolute;
  top: 0;
  right: 0;
  width: 50px;
  height: 36px;
  color: #fff;
  background: #4CAF50;
  font: 16pt FontAwesome;
  text-align: center;
  line-height: 36px;
  cursor: pointer;
  transition: .2s;
}
.field:hover {background: #43A047}
.html,.css,.js {
  display: inline-block;
  margin: 16px 3px 0 0;
  width: 130px;
  font: bold 11pt Verdana;
  color: #333;
  transition: .4s;
  transform: translate(-12px);
}
.html:before,.css:before,.js:before {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translate(-14px, 5px);
}
.html:before {background: #dc3912}
.css:before {background: #3366cc}
.js:before {background: #ff9900}
.html:after,.css:after,.js:after {
  position: absolute;
  font: 10pt Verdana;
  color: #626262;
  transform: translate(2px);
}
.html:after {content: '(5.7%)'}
.css:after {content: '(64.4%)'}
.js:after {content: '(29.9%)'}
.bar,.bar:before,.bar:after {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 8px;
  border-right: 1px solid #f8f8f8
}
.bar {
  background: #ff9900;
  width: 100%;
}
.bar:before {
  content: '';
  background: #3366cc;
  width: 70.1%;
}
.bar:after {
  content: '';
  background: #dc3912;
  width: 5.7%;
}
.bar_anim1,.bar_anim2,.bar_anim3 {
  position: absolute;
  bottom: 0;
  right: 0;
  height: 8px;
  background: #f8f8f8;
  transition: 1.3s;
  transition-delay: .45s;
}
.bar_anim1 {
  right: 0;
  width: 29.9%;
}
.bar_anim2 {
  right: 29.9%;
  width: 64.4%;
}
.bar_anim3 {
  right: 94.3%;
  width: 5.7%;
}