.slider {
    position: relative;
    width: 80%;
    max-width: 800px;
    height: 600px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 10px;
}

.slider input[type="radio"] {
    display: none;
}

.slides {
    display: flex;
    width: 100%;
    transition: transform 0.6s ease;
    animation: slideAnimation 16s infinite;
}

.slide {
    width: 100%;
    flex-shrink: 0;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.navigation label:hover {
    background-color: #666;
}

@keyframes slideAnimation {
    0%, 25% {
        transform: translateX(0);
    }
    26%, 50% {
        transform: translateX(-100%);
    }
    51%, 75% {
        transform: translateX(-200%);
    }
    76%, 100% {
        transform: translateX(-300%);
    }
}

#slide1:checked ~ .slides {
    transform: translateX(0%);
}

#slide2:checked ~ .slides {
    transform: translateX(-100%);
}

#slide3:checked ~ .slides {
    transform: translateX(-200%);
}

#slide4:checked ~ .slides {
    transform: translateX(-300%);
}

#slide1:checked ~ .navigation label[for="slide1"],
#slide2:checked ~ .navigation label[for="slide2"],
#slide3:checked ~ .navigation label[for="slide3"],
#slide4:checked ~ .navigation label[for="slide4"]  {
    background-color: #333;
}