Untitled

.item {
    position: relative;
    width: 460px;
    height: 300px;

    border-radius: 32px;
    overflow: hidden;
    transition: .3s ease;
}

.item:hover {
    transform: scale(1.1);
}

.item:hover ~ .item:not(:hover) {
    filter: blur(10px);
    background-color: red;
    transform: scale(0.9);
}