:root {
   /* --background-image: url('/images/DJI_0543-2.jpg');*/
}
body {
    margin: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-image: var(--background-image);
    background-blend-mode: darken;
    background-color: rgba(0, 0, 0, .1);
} 

nav{
    display:none !important;
}
.card {
    box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.5);
}