body {
	margin: 0;
	height: 100%;
}

.header {
	position: sticky;
	background-color: #0B6EC7;
	border-bottom: 0.7em solid white;
}

img.logo {
	position: relative;
	max-width: 80%;
	top: 10%;
	left: 10%;
	margin: 2% 0;
}

img.logo:empty {
	top: 0%;
	left: 50%;
	-webkit-transform: translate(-50%, 0%);
	-moz-transform: translate(-50%, 0%);
	-ms-transform: translate(-50%, 0%);
	-o-transform: translate(-50%, 0%);
	transform: translate(-50%, 0%);
}

.div-buttons {
	display: flex;
	align-items: center;
	justify-content: center;
	margin-top:50px;
}

a {
	text-align: center;
	margin: 1% 2%;
}

.button-responsive {
	width: 50%;
    
}

@media screen and (max-width: 500px) {
	.button-responsive {
		width: 70%;
    }
}

h1 {
	color: white;
}