.my-icon {
    font-family: my-icon!important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.nav-more {
    float: right;
    margin-right: 20px;
    font-size: 12px;
    transition: transform .3s;
}


:hov

.cls

nav.css:1
.nav-more::after {
    content: "\e621";
}