input[type="button"], input[type="submit"] {
    padding:10px;
    color:#fff;
    background:#0098cb;
    width:320px;
    margin:20px auto;
    margin-top:0px;
    border:0px;
    border-radius:3px;
    cursor:pointer;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #0098cb;
}

li {
    float: left;
}

li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-family: "Courier New", Courier, monospace;
}

li a:hover {
    background-color: #00b8e0;
}

.active {
    background-color: #00b8eb;
}

body{
    margin:0px;
    padding:0px;
    font-family: "Courier New", Courier, monospace;
    text-align:center;
}

input[type=text], input[type=password] {
    border-radius: 4px;
    margin: 8px 0;
    width: 315px;
    height: 35px;
}

html {
    height: 100%;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    background-repeat:no-repeat;

    background:
	    radial-gradient(circle at 50% 0, 
         rgba(255,0,0,.5), rgba(255,0,0,0) 70.71%), 
    radial-gradient(circle at 6.7% 75%, 
         rgba(0,0,255,.5), rgba(0,0,255,0) 70.71%), 
    radial-gradient(circle at 93.3% 75%, 
         rgba(0,255,0,.5), rgba(0,255,0,0) 70.71%);
}