body, html{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.slider {
    width: 100%;
    margin: auto;
    height: auto;
    overflow: hidden;
}

.slider ul {
    padding: 0;
    display: flex;
    width: 1200%;

    animation: slider 50s infinite;
}

.slider li {
    width: 100%;
    list-style: none;
}

.slider li img {
    width: 100%;
}

@keyframes slider {
    0% {
        margin-left: 0;
    }
    10% {
        margin-left: 0;
    }

    11% {
        margin-left: -100%;
    }
    20% {
        margin-left: -100%;
    }

    21% {
        margin-left: -200%;
    }
    30% {
        margin-left: -200%;
    }

    31% {
        margin-left: -300%;
    }
    40% {
        margin-left: -300%;
    }

    41% {
        margin-left: -400%;
    }
    50% {
        margin-left: -400%;
    }

    51% {
        margin-left: -500%;
    }
    60% {
        margin-left: -500%;
    }

    61% {
        margin-left: -600%;
    }
    70% {
        margin-left: -600%;
    }

    71% {
        margin-left: -700%;
    }
    80% {
        margin-left: -700%;
    }

    81% {
        margin-left: -800%;
    }
    85% {
        margin-left: -800%;
    }

    86% {
        margin-left: -900%;
    }
    90% {
        margin-left: -900%;
    }

    91% {
        margin-left: -1000%;
    }
    95% {
        margin-left: -1000%;
    }

    96% {
        margin-left: -1100%;
    }
    100% {
        margin-left: -1100%;
    }
}