html, body {
	height: 100%;
	margin: 0;
}
body {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	font-family: Roboto, sans-serif;
	background-color: #ffffff;
	color: #333;
	font-size: 18px;
	line-height: 1.5;
}
header {
	background-color: #292a2a;
	display: flex;
	padding: 20px;
}
header a {
	color: #f2f2f2;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
	font-size: 20px;
}
header a:hover {
	color: #ff9919;
}
main {
	flex: 1;
	padding: 1rem;
}
footer {
	background: #333;
	color: #fff;
	text-align: center;
	padding: 1rem;
}
#welcome {
	color: #ffffff;
	margin-left: 1.5em;
	margin-top: 0.25em;
	display: inline-block;
	font-size: 2em;
}
h2 {
	text-align: center;
	font-size: 2.5em;
	margin-top: 2em;
	margin-bottom: 1em;
	color: #2D628B;
}
.content {
	text-align: center;
	font-size: 20px;
}
#title {
	text-align: center;
	font-size: 3em;
	margin-top: 2em;
	margin-bottom: 0.5em;
	color: #2D628B;
}
.buttons {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 1.5em;
	margin-top: 5em;
	justify-content: center;
}
#detrenderbtn, #howitworksbtn, #citationbtn, #dependenciesbtn, #aboutbtn, #downloadbtn {
	background-color: #2D628B;
	color: white;
	padding: 15px 30px;
	width: 35%;
	text-align: center;
	text-decoration: none;
	display: inline-block;
	font-size: 20px;
	border-radius: 8px;
	transition: background-color 0.3s, transform 0.3s;
}
#detrenderbtn {
	padding: 30px 60px;
	width: 35%;
	font-size: 30px;
}
#detrenderbtn:hover, #howitworksbtn:hover, #citationbtn:hover, #dependenciesbtn:hover, #aboutbtn:hover, #downloadbtn:hover {
	background-color: #16425B;
	transform: scale(1.05);
}
footer {
	background-color: #2D628B;
	text-align: center;
	padding-top: 2em;
	padding-bottom: 1em;
	margin-top: 6em;
	margin-bottom: 0;
}
footer a {
	padding: 2em;
	color: #d9dcd6;
	text-decoration: none;
	text-align: center;
	display: inline;
}
footer a:hover {
	color: white;
	text-decoration: underline;
}
#copyright {
	margin-bottom: 0;
	margin-top: 4em;
	color: #d9dcd6;
	font-size: 14px;
}
.grecaptcha-badge {
	visibility: hidden;
}
.round_input {
	-webkit-border-radius: 5px;
	-moz-border-radius: 5px;
	-khtml-border-radius: 5px;
	border-radius: 5px;
	border: solid 1px gray;
	padding: 5px;
	font-size: 14px;
	background-color: #F9F9F9;
}
.round_input:focus {
	background-color: #FFE;
}
.cool_button {
	display: inline-block;
	zoom: 1; /* zoom and *display = ie7 hack for display:inline-block */
	*display: inline;
	vertical-align: baseline;
	margin: 2px;
	outline: none;
	cursor: pointer;
	text-align: center;
	text-decoration: none;
	font-size: 14px;
	padding: .5em 2em .55em;
	text-shadow: 0 1px 1px rgba(0, 0, 0, .3);
	-webkit-border-radius: .5em;
	-moz-border-radius: .5em;
	border-radius: .5em;
	-webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
	-moz-box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
	box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
	color: #606060;
	border: solid 1px #b7b7b7;
	background: #fff;
	background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#ededed));
	background: -moz-linear-gradient(top, #fff, #ededed);
	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#ededed');
}
.cool_button:hover {
	text-decoration: none;
	background: #ededed;
	background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#dcdcdc));
	background: -moz-linear-gradient(top, #fff, #dcdcdc);
	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#dcdcdc');
}
.cool_button:active {
	position: relative;
	top: 1px;
	color: #999;
	background: -webkit-gradient(linear, left top, left bottom, from(#ededed), to(#fff));
	background: -moz-linear-gradient(top, #ededed, #fff);
	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ededed', endColorstr='#ffffff');
}