.y-wrap {
    display: flex;
    flex-wrap: wrap;
}

.y-content {
    flex: 1;
    margin-left: 20px;
    display: flex;
    flex-wrap: wrap;
}

.y-item-c {
    display: flex;
    padding: 0px 5px;
    flex: 1;
}

.y-item {
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    margin-bottom: 10px;
}

.y-item-c img {
    width: 100%;
}

.y-item-c img:hover{
    box-shadow: #0081c0 0px 0px 10px 0px;	
}

@media screen and (max-width:576px) {
    .y-content{
        margin-left: 0px;
    }
    .y-item {
        width: 50%;
    }
}

@media screen and (min-width:576px) {
    .y-content{
        margin-left: 0px;
    }
    .y-item {
        width: 50%;
    }
}

@media screen and (min-width:786px) {
    .y-content{
        margin-left: 0px;
    }
    .y-item {
        width:33.33%;
    }
}

@media screen and (min-width:992px) {
    .y-content{
        margin-left: 20px;
    }
    .y-item {
        width:33.33%;
    }
}

@media screen and (min-width:1200px) {
    .y-content{
        margin-left: 20px;
    }
    .y-item {
        width:25%;
    }
}