MINI

C:/xampp/htdocs/restoran/assets/admin/scss/core/alerts/

files >> C:/xampp/htdocs/restoran/assets/admin/scss/core/alerts/_alert-dismissible.scss

 //
// Dismissible alert
//

.alert-dismissible {
    .close {
        top: 50%;
        right: $alert-padding-x;
        transform: translateY(-50%);
        padding: 0;
        opacity: 1;

        @include media-breakpoint-down(xs) {
            top: 1rem;
            right: .5rem;
        }

        &>span:not(.sr-only) {
            font-size: 1.5rem;
            background-color: transparent;
            color: rgba($white, .6);
        }

        &:hover,
        &:focus {
            &>span:not(.sr-only) {
                background-color: transparent;
                color: rgba($white, 1);
            }
        }
    }
}

.alert-secondary {
    .close {
        &>span:not(.sr-only) {
            color: rgba(theme-color("default"), .6);
        }

        &:hover,
        &:focus {

            &>span:not(.sr-only) {
                color: rgba(theme-color("default"), 1);
            }
        }
    }
}