* {
    margin: 0;
    padding: 0;
   box-sizing: border-box;
}

.slider {
    position: relative;
    width: 70%;
    margin-left: auto;
    margin-right: auto;
   /* max-width: 1200px;*/
    aspect-ratio: 3/2;
    /*padding-top: 66,66%;*/
    overflow: hidden;
}

.slider img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
   opacity: 0;
   transition: opacity 1s ease-in-out;
}

.slider img.active {
    opacity: 1;
}

/*button {
   position: absolute;
    margin-top: -25%;*/
    /*margin-right: -10%;*/
    /*margin-bottom: auto;*/
  /*  transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    font-size: 24px;
    z-index: 10;
}*/
/*
#prev { left: 10px; }
#next { right: 10px; }*/

/* ------ RESPONSIVE ------*/

@media all and (max-width: 768px){
.slider {
    width: 90%;
}