.back_to_top {
    position: fixed;
    width: 2.4rem;
    height: 2.4rem;
    right: 1.9rem;
    bottom: 1.9rem;
    z-index: 9999;

}

i {
    color:  #f36b2a;
    font-size: 1rem;
    position:absolute;
    
    top:55%; 
    left:60%;
    transform: translate(-75%, -55%);

}

    .title-header {
      font-family: "Lato", Verdana, Geneva, Tahoma, sans-serif;
      font-weight: 600;
      
    }