nav {
	left: 0;
	top: 0;
	width: 100%;
	background-color: Gainsboro;
	
	display: flex;
	justify-content: space-between;
	
	overflow: hidden;
	/* make it sticky*/
	position: fixed;
	z-index: 99;
	
	user-select: none;
}
#main_navigation {
	display: flex;
	justify-content: center;
	padding: 30px;
	transition: 0.3s;
}
#main_navigation a {	
  text-align: center;
  padding: 12px;
  text-decoration: none;
  font-size: 1.5em;
  line-height: 25px;
  color: black;
}
#main_navigation a:hover {
  background-color: grey;
}
#main_navigation a.active {
	border-bottom: 3px solid #ff6600;
}

nav #logo {
	height: 125px;
	width: 275px;
	transition: 0.3s;
}

#intro {
	margin-top: 125px;
	width: 100%;
	/* for centered white text*/
	position: relative;
	text-align: center;
	color: white;
	font-size: 3em;
}

.slides {
	display: none;
}

.slides div {
	user-select: none;
}

#intro_dots {	
	user-select: none;
}

.dot {
	cursor: pointer;
	height: 15px;
	width: 15px;
	margin: 0 2px;
	border-radius: 50%;
	display: inline-block;
	transition: background-color 0.5s ease;
	background-color: #8c8c8c;
}

.active_dot, .dot:hover {
	background-color: #4d4d4d;
}

.fade {
	-webkit-animation: fade 1.5s;
	animation: fade 1.5s;
}

@keyframes fade {
	from {opacity: 0.4}
	to {opacity: 1}
}

@-webkit-keyframes fade {
	from {opacity: 0.4}
	to {opacity: 1}
}

#trikot {
	margin-bottom: 130px;
}

@media only screen and (max-width: 750px) {
	
	nav #logo {
		height: 68px;
		width: 137px;
		margin: 9px;
	}
	
	.dot {
		height: 6px;
		width: 6px;
	}
	
	#main_navigation {
		padding: 10px;
	}
	
	#intro {
		margin-top: 68px;
		font-size: 1.5em;
	}
	#main_navigation a {
		font-size: 0.9em;
		padding: 4px;
	}
}

@media only screen and (max-width: 375px) {
	
	nav #logo {
		height: 41px;
		width: 82px;
		margin: 9px;
	}
}