.is-icon {
    display: block;
    height: 32px;
    width: 32px;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
}

.is-icon-large{ font-size: large; }
.is-icon-big{ font-size: xx-large; }
.is-icon-huge{ font-size: 90px;}
.is-icon-custom-70{ font-size: 70px;}


.is-gradient-gym{ background-image: url('../img/gym.svg'); }
.is-gradient-user{ background-image: url('../img/Raggruppa-84.svg'); }
.is-user-md{ background-image: url('../img/user-md-1.svg'); }
.is-user-med{ background-image: url('../img/user-md-1.svg'); }
.is-logout{ background-image: url('../img/log_out.svg'); }
.is-briefcase{ background-image: url('../img/briefcase.svg'); }
.is-filter{ background-image: url('../img/filter.svg'); }
.is-search{ background-image: url('../img/search.svg'); }
.is-backward{ background-image: url("../img/prima.svg");}
.is-forward{ background-image: url("../img/dopo.svg");}
.is-search{ background-image: url("../img/cerca.svg");}
.is-square{ background-image: url("../img/square.svg");}