.loader {
  height: 0;
  direction: ltr;
  position: fixed;
  top: 0;
  width: 0;
  margin: 0 auto;
  .func-start(0);
  opacity: 0;
  z-index: 4;
}

.load-start ~ .loader {
  width: 100%;
  background: @config-color-focus;
  height: 3px;
  opacity: 1;
  transition: width .3s ease-out, opacity .5s ease-out;
  -moz-transition: width .3s ease-out, opacity .5s ease-out;
  -webkit-transition: width .3s ease-out, opacity .5s ease-out;
  -o-transition: width .3s ease-out, opacity .5s ease-out;
}

.www .load-start ~ .loader {
  background: #fff;
}
/*
.load-start > * {
  opacity: 0;
}

.load-end > * {
  opacity: 1;
  transition: opacity .3s ease-out;
  -moz-transition: opacity .3s ease-out;
  -webkit-transition: opacity .3s ease-out;
  -o-transition: opacity .3s ease-out;
}*/