.about-ms__info .bx-breadcrumb__item a:hover .testml:before,
.ct-head__info .bx-breadcrumb__item a:hover .testml:before{
    width: 100%;
}

.about-ms__info .bx-breadcrumb__item a .testml:before,
.ct-head__info .bx-breadcrumb__item a .testml:before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--white);
    transition: 0.5s;
}

.about-ms__info .bx-breadcrumb__item a .testml,
.ct-head__info .bx-breadcrumb__item a .testml {
    position: relative;
}