.slider {
    width: 500px;
    height: 300px;
    display:inline-block;
}

.wrapper {
    overflow: hidden;
    position: relative;
    background: #222;
    z-index: 1;
    text-align: center;
    border-radius:10px;
    display: block;
}

#items {
    width: 10000px;
    position: relative;
    top: 0;
    left: -500px;
}

#items.shifting {
    transition: left .4s ease-out;
}

.slide {
    width: 500px;
    height: 300px;
    cursor: pointer;
    float: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 1s;
    position: relative;
    background: #FFCF47;
}
  
.control {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: x-large;
    color: #272727;
    height: calc(1.5em + 1.5rem + 2px);
    width: calc(1.5em + 1.5rem + 2px);
}
.prev,
.next {
    background-size: 22px;
    background-position: center;
    background-repeat: no-repeat;
    cursor: pointer;     
}
.prev {
    background-image: url(ChevronLeft.png);
}
.next {
    background-image: url(ChevronRight-512.png);
}
.prev:active,
.next:active {
    transform: scale(0.8);
}
  
.pablo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 50px;
}

.botones {
    display: inline-block;
    text-align: center;
    align-items: center;
}

@media screen and (min-width: 200px) and (max-width: 650px) { 


    .slider {
        width: 300px;
        height: 200px;
    }

    .slide {
        width: 300px;
        height: 200px;
    }

    #items {
        left: -300px;
    }

    .botones {
        font-size: smaller;
    }
}