main.css

html {
  height: 100%;
  box-sizing: border-box;
}

body {
	position: relative;
	padding-bottom: 6rem;
	min-height: 100%;
	font-family: "Helvetica Neue", Arial, sans-serif;
	margin: 0;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

h1 {
	text-align: center;
}

input[type="text"] {
	height: 25px;
	width: 250px;
}

.btn {
	height: 25px;
	margin: 0;
}
.btn img {
	width: 13px;
	height: 13px;
}

#container {
	min-height:100%;
	position:relative;
	padding:10px;
	padding-bottom:60px;
	width: 60%;
	margin: auto;
}

#fields {
	margin-bottom: 20px;
}

#footer {
   position:absolute;
   bottom:0;
   width:100%;
   height:60px;   /* Height of the footer */
}

/**
 * Footer Styles
 */

#footer {
	position: absolute;
	right: 0;
	bottom: 0px;
	left: 0;
	padding: 1rem;
	background-color: #efefef;
	text-align: center;
	font-size: .7em;
}


/**
	Tooltip
*/
.tooltip-wrap {
  color: #555;
  cursor: help;
  font-family: "Gill Sans", Impact, sans-serif;
  font-size: 12px;
	display: inline-block;
  position: relative;
  text-align: center;
  -webkit-transform: translateZ(0); /* webkit flicker fix */
  -webkit-font-smoothing: antialiased; /* webkit text rendering fix */
}

.tooltip-wrap .tooltip {
	display: none;
	position: absolute;
	z-index: 1;
	padding: 5px 8px;
	top: 37px;
	left: -50%;
	background-color: #666;
	color: white;
	border-radius: 3px;
}

/* CSS Triangle */
.tooltip-wrap .tooltip:after {
	width: 0;
	height: 0;
	border-left: 8px solid transparent;
	border-right: 8px solid transparent;
	border-bottom: 8px solid #666;
	top: -8px;
	content: " ";
	height: 0;
	left: 50%;
	margin-left: -15%;
	position: absolute;
	width: 0;
}