@media (max-width: 575px) {
    .border-top {
        border-top: 1px solid #424242;
    }
    .border-left {
        border-left: 1px solid #424242;
    }
    .border-bottom {
        border-bottom: 1px solid #424242;
    }
    .border-right {
        border-right: 1px solid #424242;
    }
    .border-top-0 {
        border-top: none!important;
    }
    .border-left-0 {
        border-left: none!important;
    }
    .border-bottom-0 {
        border-bottom: none!important;
    }
    .border-right-0 {
        border-right: none!important;
    }
}

@media (min-width: 576px) {
    .border-sm-top {
        border-top: 1px solid #424242;
    }
    .border-sm-left {
        border-left: 1px solid #424242;
    }
    .border-sm-bottom {
        border-bottom: 1px solid #424242;
    }
    .border-sm-right {
        border-right: 1px solid #424242;
    }
    .border-sm-top-0 {
        border-top: none!important;
    }
    .border-sm-left-0 {
        border-left: none!important;
    }
    .border-sm-bottom-0 {
        border-bottom: none!important;
    }
    .border-sm-right-0 {
        border-right: none!important;
    }
}

@media (min-width: 768px) {
    .border-md-top {
        border-top: 1px solid #424242;
    }
    .border-md-left {
        border-left: 1px solid #424242;
    }
    .border-md-bottom {
        border-bottom: 1px solid #424242;
    }
    .border-md-right {
        border-right: 1px solid #424242;
    }
    .border-md-top-0 {
        border-top: none!important;
    }
    .border-md-left-0 {
        border-left: none!important;
    }
    .border-md-bottom-0 {
        border-bottom: none!important;
    }
    .border-md-right-0 {
        border-right: none!important;
    }
}

@media (min-width: 992px) {
    .border-lg-top {
        border-top: 1px solid #424242;
    }
    .border-lg-left {
        border-left: 1px solid #424242;
    }
    .border-lg-bottom {
        border-bottom: 1px solid #424242;
    }
    .border-lg-right {
        border-right: 1px solid #424242;
    }
    .border-lg-top-0 {
        border-top: none!important;
    }
    .border-lg-left-0 {
        border-left: none!important;
    }
    .border-lg-bottom-0 {
        border-bottom: none!important;
    }
    .border-lg-right-0 {
        border-right: none!important;
    }
}

@media (min-width: 1200px) {
    .border-xl-top {
        border-top: 1px solid #424242;
    }
    .border-xl-left {
        border-left: 1px solid #424242;
    }
    .border-xl-bottom {
        border-bottom: 1px solid #424242;
    }
    .border-xl-right {
        border-right: 1px solid #424242;
    }
    .border-xl-top-0 {
        border-top: none!important;
    }
    .border-xl-left-0 {
        border-left: none!important;
    }
    .border-xl-bottom-0 {
        border-bottom: none!important;
    }
    .border-xl-right-0 {
        border-right: none!important;
    }
}