:root {
    --width: 400px;
    --x-speed: 7s;
    --y-speed: 4s;
    --transition-speed: 2.0s;
}

.el {
    width: var(--width);
    height: var(--width);
}

.x {
    animation: x var(--x-speed) linear infinite alternate;
}
.y {
    animation: y var(--y-speed) linear infinite alternate;
}

@keyframes x {
    100% {
        transform: translateX(calc(100vw - var(--width)));
    }
}
@keyframes y {
    100% {
        transform: translateY(calc(100vh - var(--width)));
    }
}

.fullscreen-img {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
}

.floating-img {
    width: 100%;
    max-width: 60vw;
    max-height: 50vh;
    object-fit: contain;
}

.right-top-img {
    position: absolute;
    right:40px;
    top:20px;
    width: 25vh;
    height: auto;
}

.right-bottom-img {
    position: fixed;
    right:40px;
    bottom:24%;
    width: 25vh;
    height: auto;
}

.left-top-img {
    position: absolute;
    width: auto;
    height: 40vh;
}

.left-bottom-img {
    position: fixed;
    bottom: 20px;
    left:20%;
    height: auto;
    width: 40vw;
}