.slider_f {
    position: relative;
    width: 200px;
    height: 200px;
    overflow: hidden;
    margin: 20px auto;
}

.slides_f {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slide_f {
    min-width: 100%;
    height: 200px;
}

.prev_f, .next_f {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
}

.prev_f {
    left: 0;
}

.next_f {
    right: 0;
}