.header-all {
	min-width: 1120px;
	height: 20vh;
}

.header-main {
	box-sizing: border-box;
	height: 62%;
	padding: 20px;
 	display: flex;
	justify-content: space-between;
	background-color: #417BB2;
	color: white;
}

.header-title {
  font-size: 36px;
}

.collaborators {
	display: flex;
	align-items: center;
}

.collaborators-title {
 font-size: 20px;
}

.authors {
}

.andrew, .jeffrey, .joyce {
	display: flex;
	float: left;
	margin-left: 15px;
	margin-right: 15px;
}

.links {
	display: flex;
	justify-content: space-around;
}

.linkedin-link, .github-link {
}

.linkedin-image, .github-image {
	float: left;
	width: 20px;
	height: 20px;
	margin-left: 5px;
}

.header-nav {
	box-sizing: border-box;
	height: 38%;

	background-color: #93D1FF;
	padding-top: 10px;
	padding-bottom: 10px;
}

.header-nav button {
	padding: 5px;
	margin-left: 20px;
	border-radius: 2px;
	border: 1px solid black;
	width: 150px;
	align-self: auto;
	text-align: center;
	margin-right: 10px;
}

.selected-button {
  background-color: white;
}