a.extern-link-box{
    position: relative;
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-flow: row wrap;
    flex-flow: row wrap;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    width: auto;
    padding-bottom: 7px;
    
}

a.extern-link-box:before{
    position: absolute;
    content: "";
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--main-color-1);
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}

/* ______ HOVER _______ */

span.extern-link{
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
    z-index: 1;
}

a.extern-link-box:hover:before{
    height: 5px;
}

/* _______ FOCUS _________ */

a.extern-link-box:focus{
    outline: inherit;
    background-color: var(--secondary-color-1)
}

/* ________ FOOTER LINK _________ */

footer a.extern-link-box{
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    padding-bottom: 5px;
}

/* _________ CONTENT LINK __________ */

.content-box a {
    position: relative;
    text-decoration: underline;
    -webkit-text-decoration-color: var(--main-color-1);
    text-decoration-color: var(--main-color-1);
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}

.content-box a:hover{
    color: var(--main-color-1);
}

.content-box a:focus{
    outline: inherit;
    color: var(--main-color-1);
}