.button
        {
            width: 150px;
            padding: 10px;
            font-weight: bold;
            text-decoration: none;
            color:Blue;
        }
        #cover
        {
            position: fixed;
            top: 0;
            left: 0;
            background: rgba(0,0,0,0.6);
            z-index: 99999;
            width: 100%;
            height: 100%;
            display: none;
        }
        #loginScreen
        {
            height: 600px;
            width:600px;
            margin: 0 auto;
            position: relative;
            z-index: 99999;
            border: 5px solid #cccccc;
            border-radius: 10px;
        }
       
        #loginScreen:target, #loginScreen:target + #cover
        {
            display: block;
            opacity: 2;
        }
        .cancel
        {
            position: absolute;
            top: 3px;
            right: 2px;
            background: rgb(245,245,245);
            color: black;
            height: 30px;
            width: 35px;
            font-size: 30px;
            text-decoration: none;
            text-align: center;
            font-weight: bold;
        }