.banner-newsletter {
     background-color: #161f2f;
     height: 50px;
     position: fixed;
     top: 0;
     left: 0;
     right: 0;
     z-index: 9;
 }

 .content-newsletter {
     display: flex;
     align-items: center;
     justify-content: space-between;
 }

 .banner-newsletter a {
     display: inline-flex;
     position: relative;
     padding: 10px;
 }

 .link-scuola:after {
     display: block;
     content: '';
     position: absolute;
     bottom: 0;
     height: 3px;
     width: calc(100% - 20px);
     background-color: #f2f2f2;
     transform-origin: 100% 50%;
     transform: scaleX(0);
     transition: transform 250ms ease-in-out;
 }

 .link-scuola:hover:after {
     width: calc(100% - 20px);
     transform: scaleX(1);
     transform-origin: 0% 50%;
 }

 .banner-newsletter a:hover {
     text-decoration: none;
 }

 a.button-newsletter, a.button-newsletter:hover {
     background-color: #00acdd;
     color: #ffffff;
     padding: 10px 20px;
 }

 .button-newsletter {
     background-color: #161f2f;
     transition: all .5s;
 }

 .button-newsletter:hover {
     background-color: #078eb5 !important;
     transition: all .5s;
 }