.container {
    width: 100%;
    padding-right: 20px;
    padding-left: 20px;
    margin-right: auto;
    margin-left: auto;
}
.row {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}
.col-lg-4,.col-lg-3,.col-lg-6,.col-lg-12,.col-sm-12, .col-md-6,
.col-md-12 {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}
.text-center {
    text-align: center;
}
.clearfix::after {
    display: block;
    clear: both;
    content: "";
}
  
.d-none {
    display: none;
}

.d-block {
    display: block;
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
    .d-sm-none {
        display: none;
    }
    .d-sm-block {
        display: block;
    }
    .col-sm-12 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
}
@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
    .d-md-none {
        display: none;
    }
    .d-md-block {
        display: block;
    }
    .col-md-6 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }
    .col-md-12 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
}
@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    .d-lg-none {
        display: none;
    }
    .d-lg-block {
        display: block;
    }
    .col-lg-4 {
        -ms-flex: 0 0 33.333333%;
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
    .col-lg-3 {
        -ms-flex: 0 0 25%;
        flex: 0 0 25%;
        max-width: 25%;
    }
    .col-lg-6 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }
    .col-lg-12 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
}
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    .d-xl-none {
        display: none;
    }
    .d-xl-block {
        display: block;
    }
}