html, body {
	font-family: 'Open Sans', sans-serif;
}
header, footer {
	padding: 15px;
}
header nav a {
	padding: 5px 10px;
}
header nav a:hover {
	text-decoration: underline;
}
main {
	min-height: calc(100vh - 150px)
}
h1 {
	font-size: 2em;
}

input.form-control, select.form-control, textarea.form-control {
	padding: 5px 10px;
	margin-bottom: 5px;
	width: 100%;
}
.chat {
	position: fixed;
	right: 10px;
	bottom: 10px;
	width: 300px;
	height: 500px;
	overflow-y: auto;
	background: #aaa;
	border-radius: 5px;
}
#chat-box {
	position: absolute;
    height: 320px;
    background: lightgray;
    width: calc(100% - 20px);
    right: 10px;
    top: 10px;
    border-radius: 5px;
    overflow-y: auto;
    padding: 10px;
}
#chat-box .message {
	padding: 5px 10px;
	margin: 3px;
	border-radius: 5px;
	background: #fff;
	display: inline-block;
	float: left;
}
#chat-box .message.my-message {
	float: right;
	color: #fff;
	background: green;
}
#message {
	width: calc(100% - 20px);
    right: 10px;
    position: absolute;
    bottom: 60px;
    padding: 10px;
    height: 100px;
    border-radius: 5px;
}
#send {
	width: calc(100% - 20px);
    position: absolute;
    bottom: 10px;
    height: 40px;
    right: 10px;
    border-radius: 5px;
    color: #fff;
    background: green;
    border: none;
}}