*,
*:after,
*::before {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

@media (mix-width: 1000px) {
    .bt-menu-trigger {
        display: none;
    }
}

.bt-menu {
        z-index: 1000000000000000000000000000;

	top: 0;
	left: 0;
	width: 100%;
	height: 0;
	border-width: 0px;
	border-style: solid;
	border-color: #333;
	background-color: rgba(0,0,0,0);
	-webkit-backface-visibility: hidden;
	-webkit-transition: border-width 0.3s, background-color 0.3s, height 0s 0.3s;
	transition: border-width 0.3s, background-color 0.3s, height 0s 0.3s;
}

.bt-menu.bt-menu-open {
position: fixed;
        z-index: 1000000000000000000000000000;
	height: 100%;
        background: black;
	
	-webkit-transition: border-width 0.3s, background-color 0.3s;
	transition: border-width 0.3s, background-color 0.3s;
}

.bt-overlay {
	position: absolute;
	width: 100%;
}

.bt-menu-open .bt-overlay {
	height: 100%;
}

.bt-menu-trigger {

        background: black;
        border-radius: 10px;
	position: fixed;
        z-index: 10000000000000000000000;
	top: 15px;
	left: 20px;
	display: block;
	width: 50px;
	height: 50px;
	cursor: pointer;
}

.bt-menu-trigger span {
 z-index: 10000000000000000000000;
	position: absolute;
	top: 50%;
	left: 0;
	display: block;
	width: 100%;
	height: 4px;
	margin-top: -2px;
	background-color: #fff;
	font-size: 0px;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
	-webkit-transition: background-color 0.3s;
	transition: background-color 0.3s;
}

.bt-menu-open .bt-menu-trigger span {
 z-index: 10000000000000000000000;
	background-color: transparent;
}

.bt-menu-trigger span:before,
.bt-menu-trigger span:after {
 z-index: 10000000000000000000000;
	position: absolute;
	left: 0;
	width: 100%;
	height: 100%;
	background: #fff;
	content: '';
	-webkit-transition: -webkit-transform 0.3s;
	transition: transform 0.3s;
}

.bt-menu-trigger span:before { z-index: 10000000000000000000000;
	-webkit-transform: translateY(-250%);
	transform: translateY(-250%);
}

.bt-menu-trigger span:after { z-index: 10000000000000000000000;
	-webkit-transform: translateY(250%);
	transform: translateY(250%);
}

.bt-menu-open .bt-menu-trigger span:before { z-index: 10000000000000000000000;
	-webkit-transform: translateY(0) rotate(45deg);
	transform: translateY(0) rotate(45deg);
}

.bt-menu-open .bt-menu-trigger span:after { z-index: 10000000000000000000000;
	-webkit-transform: translateY(0) rotate(-45deg);
	transform: translateY(0) rotate(-45deg);
}

.bt-menu ul {
	position: fixed;
	top: 75px;
	left: 0;
	margin: 0;
	padding: 0;
	margin: 0 auto;
	list-style: none;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
}


@media (mix-width: 1000px) {
    .bt-menu {
        display: none;
    }
}
.bt-menu ul li {
	padding: 16px 0;
	opacity: 0;
	visibility: hidden;
	-webkit-transition: -webkit-transform 0.3s, opacity 0.2s, visibility 0s 0.3s;
	transition: transform 0.3s, opacity 0.2s, visibility 0s 0.3s;
}


.bt-menu.bt-menu-open ul li { z-index: 10000000000000000000000;
	visibility: visible;
	opacity: 1;
	-webkit-transition: -webkit-transform 0.3s, opacity 0.3s 0.1s;
	transition: transform 0.3s, opacity 0.3s;
	-webkit-transform: translate3d(0,0,0);
	transform: translate3d(0,0,0);
}


@media screen and (max-height: 31.125em) {
	.bt-menu ul li a:before { z-index: 10000000000000000000000;
		font-size: 32px;
	}
}