.introduction{
color: #a3a3a3;
margin-bottom:30px;
}

.paragraph-site .views-block{
margin-bottom:30px;
}
.paragraph-site .views-block h2{
margin-top:0;
}
.paragraph-site .views-block .node{
margin-bottom:15px;
}
.center{
text-align:center;
}