body{
            margin: 0;
            padding: 10;
        }
        body:before{
            content: '';
            position: fixed;
            width: 100vw;
            height: 110vh;
            background-image: url(../imagen/DJI_0090.jpg);
            background-position: center center;
            background-repeat: no-repeat;
            background-attachment: fixed;
            background-size: cover;
            -webkit-filter: blur(10px);
            -moz-filter: blur(10px);
            -o-filter: blur(10px);
            -ms-filter: blur(10px);
            filter: blur(0px);
            z-index: -1;
        }

           h1: {
               text-align:center;
                color:#000000;
                background-color: rgba(255, 255, 255, 0.36);
                width:100;
                height: 100;
              }