button {
  display: inline-block;
  margin: 0 1em;
  border: none;
  background: none;
}
button span {
  display: block;
}

.grid-button {
  padding: 2rem;
  cursor: pointer;
  user-select: none;
}

.grid-button .grid {
  width: 1rem;
  height: 1rem;
  background: #000;
  color: #000;
  /* Not in use when the colors are specified below */
  transition: 0.3s;
}

.grid-button.close .grid {
  -webkit-transform: rotate3d(0, 0, 1, -45deg) scale3d(0.8, 0.8, 0.8);
  transform: rotate3d(0, 0, 1, -45deg) scale3d(0.8, 0.8, 0.8);
}

.grid-button.rearrange .grid {
  box-shadow: -1.25rem -1.25rem, 0 -1.25rem, 1.25rem -1.25rem, -1.25rem 0, 1.25rem 0, -1.25rem 1.25rem, 0 1.25rem, 1.25rem 1.25rem;
}

.grid-button.rearrange.close .grid {
  box-shadow: 0 -1rem, 0 -2rem, 1rem 0, -2rem 0, 2rem 0, -1rem 0, 0 2rem, 0 1rem;
}

.grid-button.collapse .grid {
  box-shadow: -1.25rem 0, -1.25rem 1.25rem, 1.25rem 0, 1.25rem -1.25rem, 0 -1.25rem, -1.25rem -1.25rem, 0 1.25rem, 1.25rem 1.25rem;
}

.grid-button.collapse.close .grid {
  box-shadow: -1rem 0, 0 0 transparent, 1rem 0, 0 0 transparent, 0 -1rem, 0 0 transparent, 0 1rem, 0 0 transparent;
}

/* ====================== lines button ==================================================*/
.lines-button {
  paddingz: 2rem 1rem;
  transition: .3s;
  cursor: pointer;
  user-select: none;
  border-radius: 0.57143rem;
  /* */
}
.lines-button:hover {
  opacity: 1;
}
.lines-button:active {
  transition: 0;
}

.lines {
  display: inline-block;
  width: 4rem;
  height: 0.57143rem;
  background: #000;
  border-radius: 0.28571rem;
  transition: 0.3s;
  position: relative;
}
.lines:before, .lines:after {
  display: inline-block;
  width: 4rem;
  height: 3px;
  background: #000;
  border-radius: 0.28571rem;
  transition: 0.3s;
  position: absolute;
  left: 0;
  content: '';
  -webkit-transform-origin: 0.28571rem center;
  transform-origin: 0.28571rem center;
}
.lines:before {
  top: 1rem;
}
.lines:after {
  top: -1rem;
}

.lines-button:hover .lines:before {
  top: 1.14286rem;
}
.lines-button:hover .lines:after {
  top: -1.14286rem;
}

.lines-button.close {
  -webkit-transform: scale3d(0.8, 0.8, 0.8);
  transform: scale3d(0.8, 0.8, 0.8);
}

.lines-button.arrow.close .lines:before, .lines-button.arrow.close .lines:after {
  top: 0;
  width: 2.22222rem;
}
.lines-button.arrow.close .lines:before {
  -webkit-transform: rotate3d(0, 0, 1, 40deg);
  transform: rotate3d(0, 0, 1, 40deg);
}
.lines-button.arrow.close .lines:after {
  -webkit-transform: rotate3d(0, 0, 1, -40deg);
  transform: rotate3d(0, 0, 1, -40deg);
}

.lines-button.arrow-up.close {
  -webkit-transform: scale3d(0.8, 0.8, 0.8) rotate3d(0, 0, 1, 90deg);
  transform: scale3d(0.8, 0.8, 0.8) rotate3d(0, 0, 1, 90deg);
}

.lines-button.minus.close .lines:before, .lines-button.minus.close .lines:after {
  -webkit-transform: none;
  transform: none;
  top: 0;
  width: 4rem;
}

.lines-button.x.close .lines {
  background: transparent;
}
.lines-button.x.close .lines:before, .lines-button.x.close .lines:after {
  -webkit-transform-origin: 50% 50%;
  transform-origin: 50% 50%;
  top: 0;
  width: 4rem;
}
.lines-button.x.close .lines:before {
  -webkit-transform: rotate3d(0, 0, 1, 45deg);
  transform: rotate3d(0, 0, 1, 45deg);
}
.lines-button.x.close .lines:after {
  -webkit-transform: rotate3d(0, 0, 1, -45deg);
  transform: rotate3d(0, 0, 1, -45deg);
}

.lines-button.x2 .lines {
  transition: background 0.3s 0.5s ease;
}
.lines-button.x2 .lines:before, .lines-button.x2 .lines:after {
  -webkit-transform-origin: 50% 50%;
  transform-origin: 50% 50%;
  transition: top 0.3s 0.6s ease, -webkit-transform 0.3s ease;
  transition: top 0.3s 0.6s ease, transform 0.3s ease;
}

.lines-button.x2.close .lines {
  transition: background 0.3s 0s ease;
  background: transparent;
}
.lines-button.x2.close .lines:before, .lines-button.x2.close .lines:after {
  transition: top 0.3s ease, -webkit-transform 0.3s 0.5s ease;
  transition: top 0.3s ease, transform 0.3s 0.5s ease;
  top: 0;
  width: 4rem;
}
.lines-button.x2.close .lines:before {
  -webkit-transform: rotate3d(0, 0, 1, 45deg);
  transform: rotate3d(0, 0, 1, 45deg);
}
.lines-button.x2.close .lines:after {
  -webkit-transform: rotate3d(0, 0, 1, -45deg);
  transform: rotate3d(0, 0, 1, -45deg);
}
.lines{height:3px;}