fronend/scss/_modals.scss

.modal {
    .modal-header {
        border: none;
        padding: 25px 25px 5px 25px;

        .modal-title {
            font-weight: bold;
            font-size: 16px;
        }
    }

    .modal-content {
        @include border-radius(0);
        box-shadow: 0 5px 20px rgba(0,0,0,.31) !important;
        border: none;

        .modal-body {
            color: #777;
            padding: 15px 25px;
        }
    }

    .modal-footer {
        border: none;
    }
}

@each $key, $val in $colors {
    .modal-col-#{$key} {
        background-color: $val;

        .modal-body,
        .modal-title {
            color: #fff !important;
        }

        .modal-footer {
            background-color: rgba(0,0,0,0.12);

            .btn-link {
                color: #fff !important;

                &:hover,
                &:active,
                &:focus {
                    background-color: rgba(0,0,0,0.12);
                }
            }
        }
    }
}