mattermost/webapp/sass/components/_buttons.scss

@charset 'UTF-8';

.btn {
    @include single-transition(all, .25s, ease-in);
    @include border-radius($border-rad);

    &.btn-primary {
        background: $primary-color;
        border-color: transparent;

        &:hover,
        &:focus,
        &:active {
            background: $primary-color--hover;
        }
    }

    &.btn-danger {
        color: $white;

        &:hover,
        &:focus,
        &:active {
            color: $white;
        }
    }

    &.btn-inactive {
        background: $light-gray;
        border-color: transparent;
        color: $white;
    }
}