body {
margin: 0;
font-family: Arial, Helvetica, sans-serif;
}
.navbar {
overflow: hidden;
background-color: #ffffff;
position: fixed;
bottom: 0;
width: 100%;
}
.navbar a {
float: left;
display: block;
color: #000000;
text-align: center;
padding: 9px 15px;
text-decoration: none;
font-size: 12px;
font-weight: bold;
}
.navbar a:hover {
background: #f1f1f1;
color: black;
}
.navbar a.active {
background-color: #2196f3;
color: white;
}
.main {
padding: 16px;
margin-bottom: 30px;
}