html,body {
  height: 100%;
  margin: 0;
  padding: 0;
}
#mainsite{
  height: calc(100% - 56px);
  padding:15px;
}
#map, #mainsite .row, #col_map {
    height:100%;
}
#col_data{
    height:100%;
    overflow-y:overlay;
}
.nav-item{
    min-width: 130px;
    text-align: center;
}
.titlepro{
    margin: 20px;
    text-align: center;
    font-size: 34px;
}
.colindex{text-align: center}
.btnindex{
    width: 90%;
    height: 50px;
    margin-top: 30px;
    font-size: 18px;
    padding-top: 10px;
    color: #fff;
}