fieldset legend {font-size:100%;}
.form-inline .form-control {margin-right:5px;}

.grid-filter-operator select {display:none;}
.grid-row-filters input {width:100%;}

.table thead tr:first-child th{
    border-bottom: 0;
}

.table thead tr:last-child th{
    border-top:0;
    border-bottom: 2px solid #dee2e6;
}

.form-group .invalid-feedback {
    display:block;
}