.hint--bottom:after,.hint--top:after{margin-left:-18px}a.dot{text-decoration:none;border-bottom:1px dashed navy;font-size:16px}a.dot:hover{padding-left:2%}.tool-bg{background:url(https://best-language.ru/image/bg.jpg) repeat-x;height:100px}/*! Hint.css - v1.3.4 - 2015-02-28
* http://kushagragour.in/lab/hint/
* Copyright (c) 2015 Kushagra Gour; Licensed MIT */.hint,[data-hint]{position:relative;display:inline-block}.hint:after,.hint:before,[data-hint]:after,[data-hint]:before{position:absolute;-webkit-transform:translate3d(0,0,0);-moz-transform:translate3d(0,0,0);transform:translate3d(0,0,0);visibility:hidden;opacity:0;z-index:1000000;pointer-events:none;-webkit-transition:.3s ease;-moz-transition:.3s ease;transition:.3s ease;-webkit-transition-delay:0ms;-moz-transition-delay:0ms;transition-delay:0ms}.hint--always:after,.hint--always:before,.hint:focus:after,.hint:focus:before,.hint:hover:after,.hint:hover:before,[data-hint]:focus:after,[data-hint]:focus:before,[data-hint]:hover:after,[data-hint]:hover:before{opacity:1;visibility:visible}.hint:hover:after,.hint:hover:before,[data-hint]:hover:after,[data-hint]:hover:before{-webkit-transition-delay:100ms;-moz-transition-delay:100ms;transition-delay:100ms}.hint:before,[data-hint]:before{content:'';position:absolute;background:0 0;border:6px solid transparent;z-index:1000001}.hint:after,[data-hint]:after{content:attr(data-hint);background:#383838;color:#fff;padding:8px 10px;font-size:12px;line-height:12px;white-space:nowrap;text-shadow:0 -1px 0 #000;box-shadow:4px 4px 8px rgba(0,0,0,.3)}.hint--top:before{border-top-color:#383838;margin-bottom:-12px}.hint--bottom:before{border-bottom-color:#383838;margin-top:-12px}.hint--top:after,.hint--top:before{bottom:100%;left:50%}.hint--top:focus:after,.hint--top:focus:before,.hint--top:hover:after,.hint--top:hover:before{-webkit-transform:translateY(-8px);-moz-transform:translateY(-8px);transform:translateY(-8px)}.hint--bottom:after,.hint--bottom:before{top:100%;left:50%}.hint--bottom:focus:after,.hint--bottom:focus:before,.hint--bottom:hover:after,.hint--bottom:hover:before{-webkit-transform:translateY(8px);-moz-transform:translateY(8px);transform:translateY(8px)}.hint--right:before{border-right-color:#383838;margin-left:-12px;margin-bottom:-6px}.hint--right:after{margin-bottom:-14px}.hint--right:after,.hint--right:before{left:100%;bottom:50%}.hint--right:focus:after,.hint--right:focus:before,.hint--right:hover:after,.hint--right:hover:before{-webkit-transform:translateX(8px);-moz-transform:translateX(8px);transform:translateX(8px)}.hint--left:before{border-left-color:#383838;margin-right:-12px;margin-bottom:-6px}.hint--left:after{margin-bottom:-14px}.hint--left:after,.hint--left:before{right:100%;bottom:50%}.hint--left:focus:after,.hint--left:focus:before,.hint--left:hover:after,.hint--left:hover:before{-webkit-transform:translateX(-8px);-moz-transform:translateX(-8px);transform:translateX(-8px)}.hint--error:after{background-color:#b34e4d;text-shadow:0 -1px 0 #592726}.hint--error.hint--top:before{border-top-color:#b34e4d}.hint--error.hint--bottom:before{border-bottom-color:#b34e4d}.hint--error.hint--left:before{border-left-color:#b34e4d}.hint--error.hint--right:before{border-right-color:#b34e4d}.hint--warning:after{background-color:#c09854;text-shadow:0 -1px 0 #6c5328}.hint--warning.hint--top:before{border-top-color:#c09854}.hint--warning.hint--bottom:before{border-bottom-color:#c09854}.hint--warning.hint--left:before{border-left-color:#c09854}.hint--warning.hint--right:before{border-right-color:#c09854}.hint--info:after{background-color:#3986ac;text-shadow:0 -1px 0 #193b4d}.hint--info.hint--top:before{border-top-color:#3986ac}.hint--info.hint--bottom:before{border-bottom-color:#3986ac}.hint--info.hint--left:before{border-left-color:#3986ac}.hint--info.hint--right:before{border-right-color:#3986ac}.hint--success:after{background-color:#458746;text-shadow:0 -1px 0 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.3s ease,visibility .3s ease,-webkit-transform .3s cubic-bezier(.71,1.7,.77,1.24);-moz-transition:opacity .3s ease,visibility .3s ease,-moz-transform .3s cubic-bezier(.71,1.7,.77,1.24);transition:opacity .3s ease,visibility .3s ease,transform .3s cubic-bezier(.71,1.7,.77,1.24)}.highlight{background-color:#F7F7F9;border:1px solid #E1E1E8;border-radius:4px;margin-bottom:14px;padding:9px 14px}
.jumbotron{margin-top:35px;}
@-webkit-keyframes progress-bar-stripes {
  from {
    background-position: 40px 0;
  }
  to {
    background-position: 0 0;
  }
}
@-o-keyframes progress-bar-stripes {
  from {
    background-position: 40px 0;
  }
  to {
    background-position: 0 0;
  }
}
@keyframes progress-bar-stripes {
  from {
    background-position: 40px 0;
  }
  to {
    background-position: 0 0;
  }
}
.progress {
  overflow: hidden;
  height: 20px;
  margin-bottom: 20px;
  background-color: #f5f5f5;
  border-radius: 4px;
  -webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}
.progress-bar {
  float: left;
  width: 0%;
  height: 100%;
  font-size: 12px;
  line-height: 20px;
  color: #ffffff;
  text-align: center;
  background-color: #428bca;
  -webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  -webkit-transition: width 0.6s ease;
  -o-transition: width 0.6s ease;
  transition: width 0.6s ease;
}
.progress-striped .progress-bar,
.progress-bar-striped {
  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  -webkit-background-size: 40px 40px;
          background-size: 40px 40px;
}
.progress.active .progress-bar,
.progress-bar.active {
  -webkit-animation: progress-bar-stripes 2s linear infinite;
  -o-animation: progress-bar-stripes 2s linear infinite;
  animation: progress-bar-stripes 2s linear infinite;
}
.progress-bar-success {
  background-color: #5cb85c;
}
.progress-striped .progress-bar-success {
  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
}
.progress-bar-info {
  background-color: #5bc0de;
}
.progress-striped .progress-bar-info {
  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
}
.progress-bar-warning {
  background-color: #f0ad4e;
}
.progress-striped .progress-bar-warning {
  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
}
.progress-bar-danger {
  background-color: #d9534f;
}
.progress-striped .progress-bar-danger {
  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
}
.embed-responsive {
  position: relative;
  display: block;
  height: 0;
  padding: 0;
  overflow: hidden;
}
.embed-responsive .embed-responsive-item,
.embed-responsive iframe,
.embed-responsive embed,
.embed-responsive object,
.embed-responsive video {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  height: 100%;
  width: 100%;
  border: 0;
}
.embed-responsive-16by9 {
  padding-bottom: 56.25%;
}
.embed-responsive-4by3 {
  padding-bottom: 75%;
}
@media (max-width: 767px) {
  .hidden-xs {
    display: none !important;
  }
}

.bs-callout {
    padding: 20px;
    margin: 20px 0;
    border: 1px solid #eee;
    border-left-width: 5px;
    border-radius: 3px;
}
.bs-callout h4 {
    margin-top: 0;
    margin-bottom: 5px;
}
.bs-callout p:last-child {
    margin-bottom: 0;
}
.bs-callout code {
    border-radius: 3px;
}
.bs-callout+.bs-callout {
    margin-top: -5px;
}
.bs-callout-default {
    border-left-color: #777;
}
.bs-callout-default h4 {
    color: #777;
}
.bs-callout-primary {
    border-left-color: #428bca;
}
.bs-callout-primary h4 {
    color: #428bca;
}
.bs-callout-success {
    border-left-color: #5cb85c;
}
.bs-callout-success h4 {
    color: #5cb85c;
}
.bs-callout-danger {
    border-left-color: #d9534f;
}
.bs-callout-danger h4 {
    color: #d9534f;
}
.bs-callout-warning {
    border-left-color: #f0ad4e;
}
.bs-callout-warning h4 {
    color: #f0ad4e;
}
.bs-callout-info {
    border-left-color: #5bc0de;
}
.bs-callout-info h4 {
    color: #5bc0de;
}