.div_body{
  width: fill;
  height: auto;
}
.container{
  display: block;
  width: 90%;
  background: white;
  margin-left: auto;
  margin-right: auto;
}
.header{
  background-color: black;
  text-align: center;
}
#logo{
  height: 6%;
  width: 6%;
  margin-left: 2%;
}
#div_imatge{
    height: 200px;
  width: fill;
  display: block;
  background-color: #efefef;
  background-image: url("img/cluster_alt_4.jpg");
  background-size: auto 200px;
  background-repeat: no-repeat;
  background-position: center;
}
#m_header{
  padding-right: 2%;
  padding-top: 1%;
  margin-top: 2%;
  padding-left: 0;
    margin: auto;
    width: 100%;

}
#m_footer{
  margin-top: 2%;
  text-align: center;
  padding-left: 0;
}
#m_header a{
  display: block;
  width: 130px;
  margin: auto;
  color: #fcf3cf;
  border: 1px solid white;

}
.menu_f a{
  color: #86b7d8;
}
#m_header li{
    width: 100%;
    display: block;
    margin-bottom: 10px;
}
.menu_f li{
    display: inline-block;
}
.row{
  margin-left: 5%;
  margin-right: auto;
}
.rpi{
  width: 50%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
.col{
  display: block;
  height: auto;
  text-align: center;
  padding-right: 2%;
}