#panel-first {
	margin-top: 20px;
}

html,
body {
	height: 100%;
}

header {
	background-image: url(../img/senna.jpg);
	background-size: cover;
	background-position: top center; /* x && y */
	height: 100%;	
}

header h1 {
	margin-top: 0;
	margin-bottom: 0;
}

.banner {
	color: #fff;
	background-color: rgba(0, 0, 0, 0.5); /* rgb && opacity */
	padding: 20px;
	width: 80%;
	border-radius: 5px; /* rounded edges */
	position: absolute; /* allow me to chage .banner position, and use header reference */
	top: 50%; /* x angle it's 50% from header reference */
	left: 50%;/* y angle it's 50% from header reference */
	transform: translate(-50%, -50%); /* my .banner use has reference, his top,
										 and it change to midle of .banner */	
    transition: 0.3s;
}

.banner button {
	width: 100%;
}

#fourth-title {
	background-color: #0275D8;
	padding-top: 25px;
	padding-bottom: 25px;
	color: #FFF;
	margin-bottom: 0;
	width: 100%;
	font-size: 24px;
}

.my-select,
.radio-group {
	display: inline-block;
	width: 50%;
	vertical-align: top;
}

.radio-group .radio:first-child {
	margin-top: 0;
}

footer {
	background-color: #333;
	color: #FFF;
	padding: 20px;
	margin-top: 10px;
}

footer address:last-child {
	margin-bottom: 0;
}

@media(min-width: 768px) {
	#panel-first {
		margin-top: 0;	
	}
}

@media(min-width: 992px) {
	.banner {
		left: 0;
		transform: translate(0, -80%);
		width: 50%;
	}

	.banner-wrapper {
		position: relative;
		height: 100%;
	}
}