.wrap{padding:16px;}
#slide_wrap{position:relative;overflow:hidden;
.slide_item{opacity:0;
transform: scale(1);
transition: opacity 2s linear, transform 7.5s linear;
position: relative;
&:not(:first-child){position:absolute;top:0;left:0;}
&.show_{opacity:1;}
&.zoom_{transform:scale(1.1);}
img{display:block;}}}