* {
	box-sizing: border-box;
}
html {
  background-attachment: fixed;
  background-size: cover;
  background-image: url(/images/study.png);
  animation: 60s linear move infinite;
}
@keyframes move {
  0% {
    background-position: top left;
  }
  50% {
    background-position: bottom right;
  }
  100% {
    background-position: top left;
  }
}
body {
	margin: 0;
  padding-top: 40px;
}
header {
  align-items: unset;
}
header .link {
  color: var(--primary);
  text-decoration: none;
	padding: 10px;
	cursor: pointer;
	transition: background-color .6s, color .6s, border-radius 1.5s;
}
header .link:hover {
	background-color: var(--bg);
	color: var(--alternate);
	border-radius: 5px;
}
.panel {
  display: block;
  background-color: var(--bg);
  max-width: 800px;
  backdrop-filter: opacity(.4);
  padding: 10px;
  border-radius: 5px;
  margin: 20px 50px;
}
.panel img {
  width: 200px;
  float: left;
  margin-right: 10px;
header .link {
  color: var(--primary);
  text-decoration: none;
	padding: 10px;
	cursor: pointer;
	transition: background-color .6s, color .6s, border-radius 1.5s;
}
header .link:hover {
	background-color: var(--bg);
	color: var(--alternate);
	border-radius: 5px;
}
}
.action {
  text-align: right;
}
#logo {
	font-size: 20px;
  text-decoration: none;
	color: var(--primary);
	cursor: pointer;
	border-radius: 8px;
	margin: 5px;
	padding: 3px;
}
#links {
  color: var(--primary);
	display: flex;
	transition: height .8s;
  height: 52px;
}
@media screen and (max-width: 768px) {
  .link {
    margin: 0;
  }
	#menu {
		width: 25px;
		height: 30px;
		min-height: 30px;
		margin: 5px auto;
		cursor: pointer;
	}
	#links {
		flex-direction: column;
		overflow: hidden;
		text-align: center;
		height: 40px;
    background-color: var(--bg);
	}
	#links[data-expanded] {
		box-shadow: 0 0 3px black;
	}
}