.sponzori {
    z-index: 0;
    margin: 50px 0 25px 0;
}
.wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}
.slika {
    height: 100px;
    max-width: 200px;
    width: auto;
    filter: grayscale(100%);
    transition: all 0.3s;
    margin: 10px 50px;
    object-fit: contain;
}
.slika:hover {
    filter: grayscale(0%);
}
/* Extra large devices (large laptops and desktops, 1200px) */
@media only screen and (max-width: 1200px) {
    .slika{
        height: 80px;
    }
}

/* Large devices (laptops/desktops, 992px) */
@media only screen and (max-width: 992px) {
    .slika{
        height: 50px;
    }
}

/* Medium devices (landscape tablets, 768pxp) */
 @media only screen and (max-width: 768px) {
    .slika{
        height: 35px;
        margin: 10px 40px;
    }
 }

/* Small devices (portrait tablets and large phones, 600px) */
@media only screen and (max-width: 600px) {
    .slika{
        height: 30px;
        margin: 10px 25px;
    }
}