#first-block, #second-block, #third-block, #fourth-block {
text-align:center;
padding:.5em 0;
}
#carousel {
text-align:center;
background:#e5e5e5;
}
#first-block {
background:#000000;
}
#second-block {
background:#000000;
}
#third-block {
background:#000000;
}
#fourth-block {
background:#000000;
}
footer {
background:#000000;
text-align: center;
}
@media screen and (max-width: 768px) {
  .right {
  float:none;
  }
}