.main {
	width: 100%;
	height: 24px;
	background-color: #222222;
	color: rgb(224, 224, 224);
	position: fixed;
	top: 0;
	left: 0;
	z-index: 1000;
	padding: 0 .2em;
	display: flex;
	flex-direction: row;
	user-select: none;
	-ms-overflow-style: scrollbar;
	-webkit-app-region:drag;
}
.main>ul {
	-webkit-app-region: no-drag;
	padding: 0;
	margin: 0;
	margin-left: 1em; 
}
.main>ul>li {
	line-height: 17px;
}
.main li>ul {
	display: none;
	background-color: rgba(0, 0, 0, 0.849);
	color: rgb(224, 224, 224);
	z-index: 1000;
	overflow: hidden;
	width: 20em;
	position: fixed;
	padding: .3em 0;
	margin-left: -.5em;
}
.show {
	background: #111111;
	height: 18px;
}
@keyframes in {
	0% { opacity: 0; margin-top: -1em; }
	100% { opacity: 1; }
}
.main .show>ul {
	margin-top: .25em;
	animation: in .2s;
	display: block;
}
.main li {
	list-style: none;
	display: inline-block;
	cursor: pointer;
	padding: .2em .5em;
}

.main li ul li {
	display: block;
	padding: .15em 1em;
	background: transparent;
}
.main li ul li i {
	text-align: right;
	float: right;
}
.main li ul li:hover {
	background: #111111;
}
.logo {
	padding-top: 2px;
	height: 20px;
}

.opt {
	line-height: 20px;
	display: block;
	position: fixed;
	right: 5px;
	top: 4px;
	z-index: 1999;
	user-select: none;
	-webkit-tap-highlight-color: transparent;
	-webkit-app-region: no-drag;
}
.opt img {
	width: 15px;
	cursor: pointer;
	z-index: 2000;
	position: relative;
	padding-right: 5px;
}
.max {
	top: -2px;
}
.min {
	top: -5px;
}