Body
{
Font-family: "Times new roman", "Arial black", Arial, Verdana, serif ;
Font-size: 20px ;
text-align: justify ;
}
blockquote
{
text-align: justify;
}
.titre
{
Font-size: 25px ;
text-decoration: underline;
color: #0000FF;
}
<p><blockquote></blockquote></p>
<p class="titre"></p>