.myButton {
	background-color:#44c767;
	-moz-border-radius:28px;
	-webkit-border-radius:28px;
	border-radius:28px;
	border:2px solid #18ab29;
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:17px;
	padding:20px 50px;
	text-decoration:none;
	text-shadow:0px 1px 0px #2f6627;
}
.myButton:hover {
	background-color:#5cbf2a;
}
.myButton:active {
	position:relative;
	top:1px;
}

html {
    background: url('background.webp') no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    margin: 0;
    padding: 0;
}

.centered {
    text-align: center;
    width:20%;
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
}