#_loading_ {
  position: relative;
  font-size: 3.125vw;
  transition: all 300ms;
  -webkit-transition: all 300ms;
  -moz-transition: all 300ms;
  -ms-transition: all 300ms;
  -o-transition: all 300ms;
  z-index: 1000;
}

#_loading_ .progress {
  background: #999999;
  height: 0.8em;
  position: relative;
}

#_loading_ .progress .body {
  width: 0;
  height: 100%;
  background: #7a0000;
  position: relative;
  transition: all 200ms linear;
  -webkit-transition: all 200ms linear;
  -moz-transition: all 200ms linear;
  -ms-transition: all 200ms linear;
  -o-transition: all 200ms linear;
}

#_loading_ .progress .extra {
  user-select: none;
  pointer-events: none;
  position: absolute;
  right: -0.6em;
  white-space: nowrap;
  bottom: calc(100% + 0.5em);
  font-size: inherit;
  color: white;
  background: #7a0000;
  padding: 0.1em 0.5em;
  border-radius: 0.5em;
  -webkit-border-radius: 0.5em;
  -moz-border-radius: 0.5em;
  -ms-border-radius: 0.5em;
  -o-border-radius: 0.5em;
}

#_loading_ .progress .extra::after {
  content: " ";
  display: block;
  position: absolute;
  background: inherit;
  z-index: -1;
  right: 0.25em;
  bottom: -0.2em;
  width: 1em;
  height: 0.8em;
  transform: rotate(40deg);
  -webkit-transform: rotate(40deg);
  -moz-transform: rotate(40deg);
  -ms-transform: rotate(40deg);
  -o-transform: rotate(40deg);
}