*, *::before, *::after {
    box-sizing: border-box;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
    background-color: black;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.main-img {
    height: clamp(60px, 12vw, 120px);
    filter: invert(1);
    display: block;
}

.boykisser {
    position: absolute;
    top: 20px;
    left: 20px;
    height: clamp(60px, 12vw, 120px);
    filter: invert(1);
}

.gif-cat {
    position: absolute;
    bottom: 20px;
    left: 20px;
    height: clamp(50px, 10vw, 100px);
    z-index: 10;
}

@media (max-width: 600px) {
    .boykisser {
        top: 10px;
        left: 10px;
    }
    .gif-cat {
        bottom: 10px;
        left: 10px;
    }
}