.k-grid th {
    white-space: pre-wrap !important;
}

.k-grid-header .k-header > .k-link {
      overflow: visible !important;  
}

.k-grid td, .k-grid th {
     padding:unset !important ;  
}
/*.k-grid-header .k-header > .k-link {
    padding: unset !important;
}*/