body{
    margin: 0px;
}

.item{
    padding: 0px;
}

/* 鼠标移入hover，盒子缓慢变化*/
.container .item{  
    /* 溢出隐藏 */
    overflow: hidden;
    /* 动画过渡 */
    transition: 0.5s;
}
/* 鼠标移入，盒子变大 */
.container .item:hover{
    transform: scale(1.25);
    box-shadow: 0 25px 40px rgba(0,0,0,0.5);
    z-index: 1;
}

.item img{
    display: block;
    width: 100%;
}

.container_OF{
	display: grid;
	grid-template-columns: repeat(4,1fr);
	grid-gap: 0px;
}