a.intern-link-box{
    position: relative;
    height: 60px;
    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-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 0px 20px;
    width: auto;
}

a.intern-link-box:before{
    position: absolute;
    content: "";
    bottom: 0;
    left: 0;
    width: 100%;
    height: 7px;
    background-color: var(--main-color-1);
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}

a.intern-link-box.intern-link-article{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

/* ______ HOVER _______ */

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

a.intern-link-box:hover span.intern-link{
    color: var(--main-color-4);
}

a.intern-link-box:hover:before{
    height: 100%;
}

/* _______ FOCUS _________ */

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

button:focus{
    outline: inherit;
}

/* __________ PREVIOUS NEXT __________ */

a.intern-link-box.previous-next{
    width: 230px;
}

/* __________ BACK TO FIRST LEVEL MENU _________ */

#back-to-first-level{
    position: relative;
    height: 40px;
    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-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 0px 20px;
    width: auto;
    background-color: var(--secondary-color-4);
}

#back-to-first-level:before{
    position: absolute;
    content: "";
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background-color: var(--main-color-2);
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}

#back-to-first-level span{
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
    z-index: 1;
}

#back-to-first-level:hover:before{
    height: 100%;
}

/* ___________ SLIDER BUTTON ___________ */

.button-slider{
    height: 26px;
    width: 90px;
    padding: 4px 10px;
    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-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    cursor: pointer;
}

.button-slider:before{
    position: absolute;
    content: "";
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background-color: var(--main-color-1);
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}

.arrow-slider{
    position:relative;
    content:"";
    width: 100%;
    height: 100%;
    z-index: 1;
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}

.button-slider:hover:before{
    height: 100%;
}

.button-slider:hover .arrow-slider.flaticon-back:before{
    color: white;
    right: 70%;
}

.button-slider:hover .arrow-slider.flaticon-next:before{
    color: white;
    left: 70%;
}

/* ___________ FLATICON ARROW ____________ */

@font-face {
  font-family: "Flaticon";
  src: url("../../icon/Flaticon.eot");
  src: url("../../icon/Flaticon.eot?#iefix") format("embedded-opentype"),
       url("../../icon/Flaticon.woff") format("woff"),
       url("../../icon/Flaticon.ttf") format("truetype"),
       url("../../icon/Flaticon.svg#Flaticon") format("svg");
  font-weight: normal;
  font-style: normal;
}

@media screen and (-webkit-min-device-pixel-ratio:0) {
  @font-face {
    font-family: "Flaticon";
    src: url("../../icon/Flaticon.svg#Flaticon") format("svg");
  }
}

[class^="flaticon-"]:before, [class*=" flaticon-"]:before,
[class^="flaticon-"]:after, [class*=" flaticon-"]:after {   
  font-family: Flaticon;
        font-size: 22px;
    line-height: 22px;
font-style: normal;
}

.arrow-slider.flaticon-next:before { 
    content: "\f100";
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}

.arrow-slider.flaticon-back:before { 
    content: "\f101"; 
    position: absolute;
    top: 0;
    right: 0;
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
    
}

/* _________ MEDIA QUERIES ___________ */

@media (max-width: 768px){
    a.intern-link-box.previous-next{
        width: auto;
    }
}