<style>
            html, body {
                background-color: #fff;
                color: #636b6f;
                font-family: 'Nunito', sans-serif;
                font-weight: 400;
                height: 100vh;
                margin: 0;
            }

            .full-height {
                height: 100vh;
            }

            .flex-center {
                align-items: center;
                display: flex;
                justify-content: center;
            }

            .position-ref {
                position: relative;
            }

            .top-right {
                position: absolute;
                right: 10px;
                top: 18px;
            }

            .content {
                text-align: center;
            }

            .title {
                font-size: 84px;
            }

            .links > a {
                color: #636b6f;
                padding: 0 25px;
                font-size: 13px;
                font-weight: 600;
                letter-spacing: .1rem;
                text-decoration: none;
                text-transform: uppercase;
            }

            .m-b-md {
                margin-bottom: 30px;
            }
            .footer {
                position: fixed;
                left: 0;
                bottom: 0;
                width: 100%;
                background-color: gray;
                color: white;
                text-align: right;
            }
            .loginbody 
            {
                margin:0;
                padding:0;
                background-size: cover; 
                background-image: url("../image/valdivia1.jpg");
                width:100vw;height:100vh;
                /*position:absolute;*/
            }

        </style>