/* ====================== lines button ==================================================*/
.lines-button {
  padding: 1.5rem 0.75rem;
  transition: 0.3s;
  cursor: pointer;
  user-select: none;
  border-radius: 0.42857rem;
  /* */
}
.lines-button:hover {
  opacity: 1;
}
.lines-button:active {
  transition: 0;
}

.lines {
  display: inline-block;
  width: 3rem;
  height: 0.42857rem;
  background: red;
  border-radius: 0.21429rem;
  transition: 0.3s;
  position: relative;
}
.lines:before, .lines:after {
  display: inline-block;
  width: 3rem;
  height: 0.42857rem;
  background: red;
  border-radius: 0.21429rem;
  transition: 0.3s;
  position: absolute;
  left: 0;
  content: '';
  -webkit-transform-origin: 0.21429rem center;
  transform-origin: 0.21429rem center;
}
.lines:before {
  top: 0.75rem;
}
.lines:after {
  top: -0.75rem;
}

.lines-button:hover .lines:before {
  top: 0.85714rem;
}
.lines-button:hover .lines:after {
  top: -0.85714rem;
}

.csstransforms3d .lines-button.close i.lines {
  -webkit-transform: scale3d(0.8, 0.8, 0.8);
  transform: scale3d(0.8, 0.8, 0.8);
  left: 0.4rem;
}

.csstransforms3d .lines-button.arrow.close .lines:before, .csstransforms3d .lines-button.arrow.close .lines:after {
  top: 0;
  width: 1.66667rem;
}
.csstransforms3d .lines-button.arrow.close .lines:before {
  -webkit-transform: rotate3d(0, 0, 1, 40deg);
  transform: rotate3d(0, 0, 1, 40deg);
}
.csstransforms3d .lines-button.arrow.close .lines:after {
  -webkit-transform: rotate3d(0, 0, 1, -40deg);
  transform: rotate3d(0, 0, 1, -40deg);
}

.lines-button.minus.close .lines:before, .lines-button.minus.close .lines:after {
  -webkit-transform: none;
  transform: none;
  top: 0;
  width: 3rem;
}

.csstransforms3d .lines-button.x.close .lines {
  background: transparent;
}
.csstransforms3d .lines-button.x.close .lines:before, .csstransforms3d .lines-button.x.close .lines:after {
  -webkit-transform-origin: 50% 50%;
  transform-origin: 50% 50%;
  top: 0;
  width: 3rem;
}
.csstransforms3d .lines-button.x.close .lines:before {
  -webkit-transform: rotate3d(0, 0, 1, 45deg);
  transform: rotate3d(0, 0, 1, 45deg);
}
.csstransforms3d .lines-button.x.close .lines:after {
  -webkit-transform: rotate3d(0, 0, 1, -45deg);
  transform: rotate3d(0, 0, 1, -45deg);
}

html[data-book='AL4K'] .lines {
  background: #89AECB;
}

html[data-book='AL4K'] .lines:before,
html[data-book='AL4K'] .lines:after {
  background: #89AECB;
}

html[data-book='AR4K'] .lines {
  background: #FED234;
}

html[data-book='AR4K'] .lines:before,
html[data-book='AR4K'] .lines:after {
  background: #FED234;
}

html[data-book='CW4K'] .lines {
  background: #95939A;
}

html[data-book='CW4K'] .lines:before,
html[data-book='CW4K'] .lines:after {
  background: #95939A;
}

html[data-book='LV4K'] .lines {
  background: #8aa894;
}

html[data-book='LV4K'] .lines:before,
html[data-book='LV4K'] .lines:after {
  background: #8aa894;
}

html[data-book='LC4K'] .lines {
  background: #B27936;
}

html[data-book='LC4K'] .lines:before,
html[data-book='LC4K'] .lines:after {
  background: #B27936;
}

html[data-book='MP4K'] .lines {
  background: #A79543;
}

html[data-book='MP4K'] .lines:before,
html[data-book='MP4K'] .lines:after {
  background: #A79543;
}