* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px; 
    margin-right: -15px;
}


[class*="col-"] {
    padding: 0 15px;
}


.mx-auto {
    margin-left: auto;
    margin-right: auto;
}


.col-1  { flex: 0 0 8.33%;    max-width: 8.33%;   }
.col-2  { flex: 0 0 16.66%;  max-width: 16.66%;  }
.col-3  { flex: 0 0 25%;     max-width: 25%;     }
.col-4  { flex: 0 0 33.33%;  max-width: 33.33%;  }
.col-5  { flex: 0 0 41.66%;  max-width: 41.66%;  }
.col-6  { flex: 0 0 50%;     max-width: 50%;     }
.col-7  { flex: 0 0 58.33%;  max-width: 58.33%;  }
.col-8  { flex: 0 0 66.66%;  max-width: 66.66%;  }
.col-9  { flex: 0 0 75%;     max-width: 75%;     }
.col-10 { flex: 0 0 83.33%;  max-width: 83.33%;  }
.col-11 { flex: 0 0 91.66%;  max-width: 91.66%;  }
.col-12 { flex: 0 0 100%;    max-width: 100%;    }

.col {
    flex-basis: 0;
    flex-grow: 1;
    max-width: 100%;
}

.justify-content-center {
    justify-content: center;
}


@media (min-width: 601px) and (max-width: 992px) {
    .col-md-1  { flex: 0 0 8.33%;    max-width: 8.33%;   }
    .col-md-2  { flex: 0 0 16.66%;  max-width: 16.66%;  }
    .col-md-3  { flex: 0 0 25%;     max-width: 25%;     }
    .col-md-4  { flex: 0 0 33.33%;  max-width: 33.33%;  }
    .col-md-5  { flex: 0 0 41.66%;  max-width: 41.66%;  }
    .col-md-6  { flex: 0 0 50%;     max-width: 50%;     }
    .col-md-7  { flex: 0 0 58.33%;  max-width: 58.33%;  }
    .col-md-8  { flex: 0 0 66.66%;  max-width: 66.66%;  }
    .col-md-9  { flex: 0 0 75%;     max-width: 75%;     }
    .col-md-10 { flex: 0 0 83.33%;  max-width: 83.33%;  }
    .col-md-11 { flex: 0 0 91.66%;  max-width: 91.66%;  }
    .col-md-12 { flex: 0 0 100%;    max-width: 100%;    }
}


@media (max-width: 600px) {
    .col-sm-1  { flex: 0 0 8.33%;    max-width: 8.33%;   }
    .col-sm-2  { flex: 0 0 16.66%;  max-width: 16.66%;  }
    .col-sm-3  { flex: 0 0 25%;     max-width: 25%;     }
    .col-sm-4  { flex: 0 0 33.33%;  max-width: 33.33%;  }
    .col-sm-5  { flex: 0 0 41.66%;  max-width: 41.66%;  }
    .col-sm-6  { flex: 0 0 50%;     max-width: 50%;     }
    .col-sm-7  { flex: 0 0 58.33%;  max-width: 58.33%;  }
    .col-sm-8  { flex: 0 0 66.66%;  max-width: 66.66%;  }
    .col-sm-9  { flex: 0 0 75%;     max-width: 75%;     }
    .col-sm-10 { flex: 0 0 83.33%;  max-width: 83.33%;  }
    .col-sm-11 { flex: 0 0 91.66%;  max-width: 91.66%;  }
    .col-sm-12 { flex: 0 0 100%;    max-width: 100%;    }
}


.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }
.mt-6 { margin-top: 4.5rem !important; }
.mt-7 { margin-top: 5.25rem !important; }
.mt-8 { margin-top: 6rem !important; }
.mt-9 { margin-top: 6.75rem !important; }
.mt-10 { margin-top: 7.5rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.mb-6 { margin-bottom: 4.5rem !important; }
.mb-7 { margin-bottom: 5.25rem !important; }
.mb-8 { margin-bottom: 6rem !important; }
.mb-9 { margin-bottom: 6.75rem !important; }
.mb-10 { margin-bottom: 7.5rem !important; }


.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pt-5 { padding-top: 3rem !important; }
.pt-6 { padding-top: 4.5rem !important; }
.pt-7 { padding-top: 5.25rem !important; }
.pt-8 { padding-top: 6rem !important; }
.pt-9 { padding-top: 6.75rem !important; }
.pt-10 { padding-top: 7.5rem !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 0.25rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pb-5 { padding-bottom: 3rem !important; }
.pb-6 { padding-bottom: 4.5rem !important; }
.pb-7 { padding-bottom: 5.25rem !important; }
.pb-8 { padding-bottom: 6rem !important; }
.pb-9 { padding-bottom: 6.75rem !important; }
.pb-10 { padding-bottom: 7.5rem !important; }