.img_sli {
    width: 300px;
    height: 300px;
    animation: go 10s 2s infinite ease-in-out;
}

.slideshow {
    margin-right: auto;
    margin-left: auto;
    width: 300px;
    height: 300px;
}

.slider {
    display: flex;
    overflow: hidden;
}

@keyframes go {
    0% {
        transform: translateX(0px);
    }
    50% {
        transform: translateX(-300px);
    }
    100% {
        transform: translateX(0px);
    }
}

@media only screen and (max-width: 428px) {
    .img_sli {
        width: 150px;
        height: auto;
        animation: go 10s 2s infinite ease-in-out;
    }
    .slideshow {
        margin-right: auto;
        margin-left: auto;
        width: 150px;
        height: auto;
    }
    .slider {
        display: flex;
        overflow: hidden;
    }
    @keyframes go {
        0% {
            transform: translateX(0px);
        }
        50% {
            transform: translateX(-150px);
        }
        100% {
            transform: translateX(0px);
        }
    }
}