span {
	display: inline;
}

.codrops-header {
	z-index: 100;
}

.main_logo {

}

.content {

}

.main_logo {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.main_logo_image {
  animation: rotation 30s infinite linear;
}

@keyframes rotation {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(359deg);
  }
}

.demos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.main_text {
	top: 0;
	position: fixed;
	font-size: 4vw;
	font-weight: 600;
  	display: flex;
  	justify-content: center;
  	align-items: center;
  	height: 100vh;
  	width: 100vw;
  	text-align: center;
}

.main_container {
	display: inline;
}

.main_footer {
	bottom: 0;
	position: sticky;
	width: 100vw;
	padding: 5vw;
}

.footer_nav {
	display: flex;
	justify-content: center;
}

.footer_nav > a {
	margin-left: 1vw;
	margin-right: 1vw;
}

@media screen and (max-width: 400px) {

	.demos {
		font-size: 5vw;
	}

	.main_text {
		padding-top: 20vw;
		font-size: 7vw;
	}

}

@media screen and (min-width: 401px) and (max-width: 600px) {

	.demos {
		font-size: 3vw;
	}

	.main_text {
		padding-top: 10vw;
		font-size: 8vw;
	}

}

@media screen and (min-width: 601px) and (max-width: 800px) {

	.demos {
		font-size: 2.4vw;
	}

	.main_text {
		padding-top: 10vw;
		font-size: 7vw;
	}

	.main_footer {
		padding: 3vw;
	}

}

@media screen and (min-width: 801px) and (max-width: 1000px) {

	.demos {
		font-size: 2vw;
	}

	.main_text {
		padding-top: 10vw;
		font-size: 6vw;
	}

	.main_footer {
		padding: 2vw;
	}

}

@media screen and (min-width: 1001px) {

	.demos {
		font-size: 1.3vw;
	}

	.main_footer {
		padding: 2vw;
	}

}