.news {
    margin-bottom: 1rem;
}

.news li .contant {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    background-color: rgba(53, 72, 121, .6);
    opacity: 0;
}

.news li:hover .contant {
    opacity: 1;
}

.news li .contant .title {
    font-size: .2rem;
    font-weight: bold;
    color: #fff;
    position: absolute;
    top: 20%;
    left: 0;
    text-transform: uppercase;
    text-align: center;
    width: 100%;
}

.news li .contant img {
    width: .28rem;
    height: .3rem;
    position: absolute;
    left: 50%;
    bottom: 20%;
    transform: translateX(-50%);
}

@media (min-width: 800px) {
    .news li {
        float: left;
        width: 32%;
        margin-right: 2%;
        margin-bottom: .4rem;
    }

    .news li:nth-child(3n) {
        margin-right: 0;
    }
}

@media (max-width: 800px) {
    .news li {
        float: left;
        width: 49%;
        margin-right: 2%;
        margin-bottom: .4rem;
    }

    .news li:nth-child(2n) {
        margin-right: 0;
    }
}