body {
    overflow-x: hidden;
    /* background: url(https://sportishka.com/uploads/posts/2023-12/1702151463_sportishka-com-p-che-gori-krasivo-1.jpg), url(./images/_min.mountain.jpg); */
    /* background: url(/images/mountain-2.jpg), url(./images/_min.mountain.jpg); */
    background: url(/images/mountain-3.jpg), url(/images/mini/min-mountain-3.jpg);
    z-index: -1;
    
    /* CONTENT: */
    
    overflow: hidden;
}

::-webkit-scrollbar {
    /* chrome based */
    width: 0px;
    /* ширина scrollbar'a */
    background: transparent;
    /* опционально */
}

.gradient {
    position: fixed;

    /* display: none; */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;

    background-color: aliceblue;
    opacity: .6;

    animation: appearing 1s linear forwards;
}

@keyframes appearing {
    100% {
        opacity: 0;
        visibility: hidden;
    }

    /* 40% {
        left: 50%;
        bottom: 75%;
        animation-timing-function: ease-in;
    }

    80% {
        left: 90%;
        bottom: -10em;
    } */
}