.intro {
  display: table;
  width: 100%;
  height: 100PX;
  padding: 100px 0;
  text-align: center;
  color: white;
  background: url(ess.jpg) no-repeat bottom center scroll;
  background-color: #fff;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}

  .intro .intro-body {
  display: table-cell;
  vertical-align: middle;
}
.intro .intro-body .brand-heading {
  font-size: 40px;
}
.intro .intro-body .intro-text {
  font-size: 18px;
}
@media (min-width: 768px) {
  .intro {
    height: 100%;
    padding: 0;
  }
    
@media screen and (max-width: 768px){
    .nowrap {
        font-size: 2em;}
}   
    
  .intro .intro-body .brand-heading {
    font-size: 100px;
  }
  .intro .intro-body .intro-text {
    font-size: 26px;}}

body {
  width: 100%;
  height: 100%;
  color: #000;
  background-color: #fff;}

html {
  width: 100%;
  height: 100%;}


                                          /*PARA texto*/



/* mouse over link */
a:link, a:hover, a:visited, a:active {
  color: none;
  text-decoration: none;}

a.link-bco:link, a.link-bco:visited {
   color: white;

}





.nop {
  margin: 30px auto;
}

/*  Botão de curtir Facebook */
<iframe src="https://www.facebook.com/plugins/like.php?href=https%3A%2F%2Fwww.facebook.com%2FeZquadrias%2F&width=157&layout=button_count&action=like&size=small&show_faces=true&share=true&height=46&appId" width="157" height="46" style="border:none;overflow:hidden" scrolling="no" frameborder="0" allowTransparency="true"></iframe>