body{
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    margin-top: 50px;
    background-color: #f4f4f4;
}

.slides{
    position: relative;
    width: 800px;
    overflow: hidden;
}

.slide{
    width: 100%;
    display: none;
}

.slide.active{
    display: block;
}

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

.prev{ left: 10px; }
.next{ right: 10px; }

.dots{
    text-align: center;
    margin-top: 10px;
}

.dot{
    height: 12px;
    width: 12px;
    margin: 5px;
    background-color: gray;
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
}

.dot.active{
    background-color: black;
}