.fs-social-icons-block {
    display: flex;
    flex: 0 1 auto;
    flex-direction: row;
    align-items: center;
    width: 100%;
    gap: 10px;
}

.fs-social-icons-block .social_link {
    display: block;
    position: relative;
    width: 40px;
    height: 40px;
}

.fs-social-icons-block .social_link .social_icon_hover,
.fs-social-icons-block .social_link .social_icon {
    display: block;
    position: absolute;
    width: 40px;
    height: 40px;
    opacity: 1;
    
}

.fs-social-icons-block .social_link .social_icon_hover {
    opacity: 0;
}

.fs-social-icons-block .social_link:hover .social_icon {
    opacity: 0;
}
.fs-social-icons-block .social_link:hover .social_icon_hover {
    opacity: 1;
}