.index_panel {
	position: fixed;
	top: 47px;
	left: 0;
	right: 0;
	color: #fff;
	/* background-color: rgba(0,0,0,.5);*/ /* default color */
	z-index: 2;
	/* Acceleration curve animation (прячем) */
	transition: transform .3s cubic-bezier(0.4, 0.0, 1, 1) 0s,
	opacity .3s cubic-bezier(0.4, 0.0, 1, 1) 0s,
	visibility 0s linear .3s;
	will-change: opacity, visibility, transform;
	transform: translateY(-100%);
	visibility: hidden;
	opacity: 0;
	z-index: 2;

}
.index_panel.is_visible {
	/* Deceleration curve animation (показываем) */

	transition-timing-function: cubic-bezier(0.0, 0.0, 0.2, 1), cubic-bezier(0.0, 0.0, 0.2, 1), linear;
	transition-delay: 0s, 0s, 0s;
	transform: translateY(0);
	visibility: visible;
	opacity: 1;

}
@media screen and (min-width: 621px) {
	.index_panel {
		top: 57px;
	}
}
.index_panel__label {
	width: 100%;
	text-align: left;
}
.index_panel__label .layout	{
	position: relative;
}

.index_panel--is_dark {
	color: #181818;
}
.index_panel__header {
	font: 0/0 a;
	position: relative;
	transition: transform .3s cubic-bezier(0.4, 0.0, 1, 1) 0s,
	opacity .3s cubic-bezier(0.4, 0.0, 1, 1) 0s,
	visibility 0s linear .3s;
	will-change: opacity, visibility, transform;
	transform: translateY(-100%);
	visibility: hidden;
	opacity: 0;
}
.index_panel.is_visible .index_panel__header {
	/* Deceleration curve animation (показываем) */
	transition-timing-function: cubic-bezier(0.0, 0.0, 0.2, 1), cubic-bezier(0.0, 0.0, 0.2, 1), linear;
	transition-delay: 0.1s, 0.1s, 0.1s;
	transform: translateY(0);
	visibility: visible;
	opacity: 1;
}
.index_panel__label .kbd_button__body .layout::before {
	display: inline-block;
	height: 70px;
	vertical-align: middle;
	content: '';
}
.index_panel__name {
	font: italic 16px/22px Figgins Sans, Arial, sans-serif;
	display: inline-block;
	vertical-align: middle;
}
.index_panel__burger {
	position: absolute;
	right: 10px;
	top: 0;
	bottom: 0;
	width: 32px;
	height: 32px;
	margin: auto 0;
	text-align: left;
}
@media only screen and (min-width: 1024px) {
	.index_panel__burger {
		right: 22px;
	}
}
.index_panel__burger .icon {
	visibility: hidden;
	opacity: 0;
	transition: visibility 0s linear .5s,
	opacity .5s ease-in-out 0s,
	transform .5s ease-in-out 0s;
	fill: #fff;
	margin: 0 -100% 0 0;
	transform: rotate(45deg);
	will-change: transform, opacity, visibility;
}
.index_panel__burger .icon--burger {
	transform: rotate(-45deg);
}
.index_panel:not(.is_open) .index_panel__burger .icon--burger,
.index_panel.is_open .index_panel__burger .icon--close {
	opacity: 1;
	visibility: visible;
	transition-delay: 0s, 0s, 0s;
	transform: rotate(0deg);
}
.index_panel__menu {
	transition:	max-height .5s cubic-bezier(.05, .69, .14, 1) 0s,
	visibility 0s linear .5s,
	opacity .5s cubic-bezier(.05, .69, .14, 1) 0s,
	transform .5s cubic-bezier(.05, .69, .14, 1) 0s;
	transform: translateY(-70px);
	opacity: 0;
	visibility: hidden;
	transform-origin: 50% 0;
	will-change: max-height, visibility, transform, opacity;
	max-height: 0;
	overflow: hidden;
	-webkit-overflow-scrolling: touch;
}
.index_panel.is_open .index_panel__menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	transition-timing-function: cubic-bezier(0.0, 0.0, 0.2, 1), linear, cubic-bezier(0.0, 0.0, 0.2, 1);
	transition-delay: 0s, 0s, 0s, 0s, .5s;
	max-height: calc(100vh - 177px);
	/* overflow: auto; */
}
.index_panel .article_menu {
	padding-top: 7px;
	margin-bottom: 0;
	overflow: auto;
	color: currentcolor;
	box-sizing: border-box;
	max-height: calc(100vh - 177px);
}
@media only screen and (min-width: 1024px) {
	.index_panel .article_header {
		display: block;
	}
}

.index_panel .article_header {
	transition: transform .3s cubic-bezier(0.4, 0.0, 1, 1) 0s,
	opacity .3s cubic-bezier(0.4, 0.0, 1, 1) 0s,
	visibility 0s linear .3s;
	will-change: opacity, visibility, transform;
	transform: translateY(-100%);
	visibility: hidden;
	opacity: 0;
}
.index_panel.is_visible .article_header {
	/* Deceleration curve animation (показываем) */
	transition-timing-function: cubic-bezier(0.0, 0.0, 0.2, 1), cubic-bezier(0.0, 0.0, 0.2, 1), linear;
	transition-delay: 0s, 0s, 0s;
	transform: translateY(0);
	visibility: visible;
	opacity: 1;
}