#btnTopo{
position:fixed;
bottom:30px;
right:30px;
display:none;
background:#333;
color:#fff;
border:none;
border-radius:50%;
width:45px;
height:45px;
font-size:20px;
cursor:pointer;
box-shadow:0 4px 10px rgba(0,0,0,0.2);
z-index:999;
}

#btnTopo:hover{
background:#555;
}

.indice-documento{
background:#f1f3f8;
padding:20px;
margin:25px 0;
border-radius:6px;
}

.indice-documento ul{
margin:10px 0 0 20px;
}

.indice-documento a{
text-decoration:none;
color:#0077cc;
}

.indice-documento a:hover{
text-decoration:underline;
}

.notice{
background:#f7f7f7;
border-left:4px solid #4CAF50;
padding:15px;
margin:20px 0;
}