.sticky {
position: -webkit-sticky;
position: sticky;
background-color: steelblue;
color: #FFF;
top: 0;
        }
 
.tblHeadFijo{
height:500px ;
overflow-y: auto;
display: block;
        }
.stickyFoo {
position: -webkit-sticky;
position: sticky;
background-color: #B0C4DE;
bottom: 0;
color: #282828;
        }
.b-info{
background-color: #282828!important;
        }