html {
                    min-height: 100% !important;
                    background-image: url("https://www.bing.com/th?id=OHR.BoneyardBeach_IT-IT9837372965_1920x1080.jpg&rf=LaDigue_1920x1080.jpg&pid=hp") !important;
                    background-size: cover !important;
                    background-repeat: no-repeat !important;
                    background-position: center center !important;
                    -webkit - background - size: cover !important;
                    -moz-background-size: cover !important;
                    -o-background-size: cover !important;
                    background-size: cover !important;
                }
                body {
                    background-color:transparent !important;
                    border: none !important;
                }
                #wall-descr:before { 
                    content: "Spiaggia di Boneyard Beach, Hunting Island, Carolina del Sud, USA (© Frances/Adobe Stock)" !important;
                }