webpack-bootstrap-ui-kit/src/scss/_components/_ui.main.scss

/*
 * some basic styles
 */

// don't let images be wider than the parent layer
iframe,
img {
    max-width: 100%;
}

.a {
    cursor: pointer;
}

.a:hover,
.a:focus,
a:hover,
a:focus,
[data-toggle]:hover,
[data-toggle]:focus {
    opacity: .8;

    .fas,
    .fab,
    &.fas,
    &.fab {
        transform: rotate(-180deg);
    }
}

[data-toggle="collapse"] {
    &[aria-expanded="true"] {
        .accordion-icon {
            &:before {
                content: "\f068";
            }
        }
    }
}

// transactions
.transition,
a, a *,
.a, .a *,
button, input, optgroup, select, textarea,
.btn,
.alert,
.dropdown,
[data-toggle], [data-toggle] *,
.container,
.container-fluid,
.row,
[class="col-*"] {
    transition: all 0.4s ease;
}

.btn-toolbar {
    margin-top: $grid-gutter-height / 2;
}

.field {
    margin: ($grid-gutter-height / 4) 0;

    &.composite {
        margin-top: 0;
        margin-bottom: 0;
    }

    &.required {
        &:after {
            display: block;
            position: absolute;
            top: 2rem;
            right: .5rem;
            content: "*";
            color: $red;
            z-index: 2;
        }
    }

    &.holder-error,
    &.error {
        input, select, textarea {
            border-color: $red;
        }

        label {
            color: $red;
        }
    }

    .bootstrap-select:not([class*="col-"]):not([class*="form-control"]):not(.input-group-btn) {
        width: 100%;
    }
}

.message {
    @extend .alert;

    @extend .alert-info;

    display: block;
    margin: .5rem 0;
}

.message.validation,
.message.required,
.message.error {
    @extend .alert;

    @extend .alert-danger;
}

// element col paddings
.col-block {
    padding: $grid-gutter-height / 4;
}

// rewrite btn opacity on hover
.btn {
    &:hover,
    &:focus {
        opacity: 1;
    }
}

// SS-messages
.message {
    @extend .alert;

    @extend .alert-info;
}

.message.required,
.message.error {
    @extend .alert;

    @extend .alert-danger;
}