Hi,
Add the below code in apearance>>customize>>custom css
1-
.home-page .taxonomy_carousel .slides img {
width: 8vw !important;
margin: 0 auto;
padding: 2vw;
}
.home-page .taxonomy_carousel .slides li a {
background: #00000036;
border-radius: 6vw;
height: 10vw;
width: 10vw !important;
transition: all .3s;
}
.home-page .taxonomy_carousel .slides .term_name span {
position: absolute;
top: 7vw;
font-size: 1vw;
}
3- below code
.user_menu.active {
z-index:999999 !important;
}
To bring the login to main mnu you will need to change header style from appearance>>customize>>header.