.list_treatment{
    margin-bottom: 30px;
}
.list_treatment:after{
    display: block;
    content: '';
    clear: both;
}
.list_treatment .item{
    width: 25%;
    float: left;
    border-right: 1px solid #ffffff;
    border-top: 1px solid #ffffff;
}
.list_treatment .item:nth-child(4n+1){
    clear: left;
}
.list_product:after{
    display: block;
    content: '';
    clear: both;
}
.list_product{
    margin-bottom: 5px;
}
.list_product .item{
    border: 1px solid #f2f2f2;
}
/*.list_product .item:nth-child(1),
.list_product .item:nth-child(2),
.list_product .item:nth-child(3){
    border-top-color: #ffffff;
}*/
.list_product .item:nth-child(3n){
    border-right-color: #ffffff;
}
@media screen and (min-width: 992px) {
    .list_treatment{
        display: flex;
        flex-wrap: wrap;
    }
    .list_treatment .item{
        width: 16.6666%;
        float: unset;
    }
}
@media screen and (max-width: 991px) {
    .list_treatment .item {
        width: 50%;
    }
    .list_treatment .item:nth-child(n){
        clear: none;
    }
    .list_treatment .item:nth-child(2n+1){
        clear: left;
    }
    .list_product .item{
        width: 50%;
    }
    .list_product .item:nth-child(3) {
        border-top-color: #f2f2f2;
    }
    .list_product .item:nth-child(3n) {
        border-right-color: #f2f2f2;
    }
    .list_product .item:nth-child(2n) {
        border-right-color: #ffffff;
    }
}
@media screen and (max-width: 639px){
    .list_product .item{
        width: 100%;
        border-right-color: #ffffff;
    }
    .list_product .item:nth-child(1),
    .list_product .item:nth-child(2) {
        border-top-color: #f2f2f2;
    }
    .list_product .item:nth-child(3n) {
        border-right-color: #ffffff;
    }
}