.midias 
{
text-align: center;
}

table.livros 
{
display: inline-table;
text-align: center;
}

table td {
padding: 0em 1em;
}

.facebook {font-size: 1.20em; color: #0E609C; text-decoration: none; text-align: center;}
.twitter {font-size: 1.20em; color: #86D3E3; text-decoration: none; text-align: center;}
.youtube {font-size: 1.20em; color: #F02F30; text-decoration: none; text-align: center;}
.orkut {font-size: 1.20em; color: #AF2E92; text-decoration: none; text-align: center;}
.intrinseca {font-size: 1.20em; color: #000000; text-decoration: none; text-align: center;}