:root {
    --fontFamily: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.dt9-container {
    margin: 0 auto;
    width: 80%;
}

.dt9-container-fluid {
    width: 100%;
}

/* Text Color */
.text-primary {
    color: #007bff;
}

.text-success {
    color: #28a745;
}

.text-info {
    color: #17a2b8;
}

.text-warning {
    color: #ffc107;
}

.text-danger {
    color: #dc3545;
}

.text-secondary {
    color: #6c757d;
}

.text-dark {
    color: #343a40;
}

.text-light {
    color: #f8f9fa;
}

/* Background Color */
.bg-primary {
    background-color: #007bff;
}

.bg-success {
    background-color: #28a745;
}

.bg-info {
    background-color: #17a2b8;
}

.bg-warning {
    background-color: #ffc107;
}

.bg-danger {
    background-color: #dc3545;
}

.bg-secondary {
    background-color: #6c757d;
}

.bg-dark {
    background-color: #343a40;
}

.bg-light {
    background-color: #f8f9fa;
}

/* HTML Elements */
h2, .h2 {
    font-size: 35px;
    font-weight: 600;
}

p {
    font-size: 18px;
}

/* Buttons */
.btn {
    font-size: 16px;
    border: none;
    border-radius: 3px;
    padding: 7px 15px;
}

.btn-primary {
    background-color: #0099ff;
    color: #fff;
}

.text-center {
    text-align: center;
}

/* Display Flex */
.d-flex {
    display: flex;
}

/* Justify Contents for Flex */
.justify-content-center {
    justify-content: center;
}

.justify-content-between {
    justify-content: space-between;
}

.justify-content-around {
    justify-content: space-around;
}

.justify-content-start {
    justify-content: flex-start;
}

.justify-content-end {
    justify-content: flex-end;
}

/* Align Items for Flex */
.align-items-start {
    align-items: flex-start;
}

.align-items-center {
    align-items: center;
}

.align-items-end {
    align-items: flex-end;
}

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

/* The Grid System */
.row {
    width: 100%;
    display: flex;
    flex-wrap: wrap;

    .col-12 {
        width: 100%;
    }
    .col-11 {
        width: 91.74%;
    }
    .col-10 {
        width: 83.33%;
    }
    .col-9 {
        width: 75.18%;
    }
    .col-8 {
        width: 66.66%;
    }
    .col-7 {
        width: 58.34%;
    }
    .col-6 {
        width: 50%;
    }
    .col-5 {
        width: 41.66%;
    }
    .col-4 {
        width: 33.33%;
    }
    .col-3 {
        width: 25%;
    }
    .col-2 {
        width: 16.67%;
    }
    .col-1 {
        width: 8.33%;
    }
}

@media screen and (max-width: 576px) {
    .dt9-container-sm {
        width: 95%;
    }

    .row {
        .col-sm-12 {
            width: 100%;
        }
        .col-sm-11 {
            width: 91.74%;
        }
        .col-sm-10 {
            width: 83.33%;
        }
        .col-sm-9 {
            width: 75.18%;
        }
        .col-sm-8 {
            width: 66.66%;
        }
        .col-sm-7 {
            width: 58.34%;
        }
        .col-sm-6 {
            width: 50%;
        }
        .col-sm-5 {
            width: 41.66%;
        }
        .col-sm-4 {
            width: 33.33%;
        }
        .col-sm-3 {
            width: 25%;
        }
        .col-sm-2 {
            width: 16.67%;
        }
        .col-sm-1 {
            width: 8.33%;
        }
    }
}

@media screen and (max-width: 768px) {
    .row {
        .col-md-12 {
            width: 100%;
        }
        .col-md-11 {
            width: 91.74%;
        }
        .col-md-10 {
            width: 83.33%;
        }
        .col-md-9 {
            width: 75.18%;
        }
        .col-md-8 {
            width: 66.66%;
        }
        .col-md-7 {
            width: 58.34%;
        }
        .col-md-6 {
            width: 50%;
        }
        .col-md-5 {
            width: 41.66%;
        }
        .col-md-4 {
            width: 33.33%;
        }
        .col-md-3 {
            width: 25%;
        }
        .col-md-2 {
            width: 16.67%;
        }
        .col-md-1 {
            width: 8.33%;
        }
    }
}

@media screen and (max-width: 992px) {
    .row {
        .col-lg-12 {
            width: 100%;
        }
        .col-lg-11 {
            width: 91.74%;
        }
        .col-lg-10 {
            width: 83.33%;
        }
        .col-lg-9 {
            width: 75.18%;
        }
        .col-lg-8 {
            width: 66.66%;
        }
        .col-lg-7 {
            width: 58.34%;
        }
        .col-lg-6 {
            width: 50%;
        }
        .col-lg-5 {
            width: 41.66%;
        }
        .col-lg-4 {
            width: 33.33%;
        }
        .col-lg-3 {
            width: 25%;
        }
        .col-lg-2 {
            width: 16.67%;
        }
        .col-lg-1 {
            width: 8.33%;
        }
    }
}

@media screen and (max-width: 1200px) {
    .row {
        .col-xl-12 {
            width: 100%;
        }
        .col-xl-11 {
            width: 91.74%;
        }
        .col-xl-10 {
            width: 83.33%;
        }
        .col-xl-9 {
            width: 75.18%;
        }
        .col-xl-8 {
            width: 66.66%;
        }
        .col-xl-7 {
            width: 58.34%;
        }
        .col-xl-6 {
            width: 50%;
        }
        .col-xl-5 {
            width: 41.66%;
        }
        .col-xl-4 {
            width: 33.33%;
        }
        .col-xl-3 {
            width: 25%;
        }
        .col-xl-2 {
            width: 16.67%;
        }
        .col-xl-1 {
            width: 8.33%;
        }
    }
}

/* Horizontal Paddings */
.px-1 {
    padding-left: 10px;
    padding-right: 10px;
}

.px-2 {
    padding-left: 20px;
    padding-right: 20px;
}

.px-3 {
    padding-left: 30px;
    padding-right: 30px;
}

.px-4 {
    padding-left: 40px;
    padding-right: 40px;
}

.px-5 {
    padding-left: 50px;
    padding-right: 50px;
}

/* Vertical Paddings */
.py-1 {
    padding-top: 10px;
    padding-bottom: 10px;
}

.py-2 {
    padding-top: 20px;
    padding-bottom: 20px;
}

.py-3 {
    padding-top: 30px;
    padding-bottom: 30px;
}

.py-4 {
    padding-top: 40px;
    padding-bottom: 40px;
}

.py-5 {
    padding-top: 50px;
    padding-bottom: 50px;
}

/* same margin for each side */
.p-1 {
    padding: 10px;
}

.p-2 {
    padding: 20px;
}

.p-3 {
    padding: 30px;
}

.p-4 {
    padding: 40px;
}

.p-5 {
    padding: 50px;
}

/* different margin for different side */
.pt-1 {
    padding-top: 10px;
}

.pb-1 {
    padding-bottom: 10px;
}

.pr-1 {
    padding-right: 10px;
}

.pl-1 {
    padding-left: 10px;
}

.pt-2 {
    padding-top: 20px;
}

.pb-2 {
    padding-bottom: 20px;
}

.pr-2 {
    padding-right: 20px;
}

.pl-2 {
    padding-left: 20px;
}

.pt-3 {
    padding-top: 30px;
}

.pb-3 {
    padding-bottom: 30px;
}

.pr-3 {
    padding-right: 30px;
}

.pl-3 {
    padding-left: 30px;
}

.pt-4 {
    padding-top: 40px;
}

.pb-4 {
    padding-bottom: 40px;
}

.pr-4 {
    padding-right: 40px;
}

.pl-4 {
    padding-left: 40px;
}

.pt-5 {
    padding-top: 50px;
}

.pb-5 {
    padding-bottom: 50px;
}

.pr-5 {
    padding-right: 50px;
}

.pl-5 {
    padding-left: 50px;
}

/* different margin for each side */
.m-1 {
    margin: 10px;
}

.m-2 {
    margin: 20px;
}

.m-3 {
    margin: 30px;
}

.m-4 {
    margin: 40px;
}

.m-5 {
    margin: 50px;
}

/* different margin for different side */
.mt-1 {
    margin-top: 10px;
}

.mb-1 {
    margin-bottom: 10px;
}

.mr-1 {
    margin-right: 10px;
}

.ml-1 {
    margin-left: 10px;
}

.mt-2 {
    margin-top: 20px;
}

.mb-2 {
    margin-bottom: 20px;
}

.mr-2 {
    margin-right: 20px;
}

.ml-2 {
    margin-left: 20px;
}

.mt-3 {
    margin-top: 30px;
}

.mb-3 {
    margin-bottom: 30px;
}

.mr-3 {
    margin-right: 30px;
}

.ml-3 {
    margin-left: 30px;
}

.mt-4 {
    margin-top: 40px;
}

.mb-4 {
    margin-bottom: 40px;
}

.mr-4 {
    margin-right: 40px;
}

.ml-4 {
    margin-left: 40px;
}

.mt-5 {
    margin-top: 50px;
}

.mb-5 {
    margin-bottom: 50px;
}

.mr-5 {
    margin-right: 50px;
}

.ml-5 {
    margin-left: 50px;
}