.b-image.big .icon-d:hover::before {
    content: "\e600";
}
.b-image.big .icon-video::before,
.b-image.big .icon-d::before {
    transition: color 0.3s ease;
}
.b-image.big .icon-video:hover::before,
.b-image.big .icon-d:hover::before {
    color: #f4b26a;
}