body {
	background-color: #555555;
	color: white;
	margin: 0;
}

a {
	color: #00aacc;
}

.preview_tile {
	border: 2px solid yellow;
	width: 50%;
	text-align: centered;
	margin: auto;
	height: 12em;
	position: relative;
	min-width: 900px;
}

.preview_tile_img {
	height: 12em;
	border-radius: 50%;
	position: absolute;
}

.preview_tile_p {
	margin-left: 20em;
	margin-right: 20em;
}

.preview_tile_right {
	position: absolute;
	right: 0px;
	top: 1.3em;
	//float: right;
}

#main_bar {
	background-color: #4CAF50;
	position: fixed;
	width: 100%;
}

button {
	background-color: white;
	border: none;
}

input[type=submit] {
	background-color: white;
	border: none;
}

.dropdown {
	float: right;
}
#home {
	float: right;
}
#about {
	float: right;
}
.centered {
	text-align: center;
}

.blockbtn {
    background-color: #4CAF50;
    color: white;
    padding: 16px;
	padding-left: 20px;
	padding-right: 20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    width: 102px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {background-color: #f1f1f1}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover {
    background-color: #3e8e41;
}

.blockbtn:hover {
	background-color: #3e8e41;
}