.btn-kilo {
  background-color: #dddddd;
  border-color: #dddddd;
}
.btn-kilo:hover,
.btn-kilo:focus,
.btn-kilo:active,
.btn-kilo.active {
  background-color: #cfcfcf;
  border-color: #c3c3c3;
}
.btn-kilo.disabled:hover,
.btn-kilo.disabled:focus,
.btn-kilo.disabled:active,
.btn-kilo.disabled.active,
.btn-kilo[disabled]:hover,
.btn-kilo[disabled]:focus,
.btn-kilo[disabled]:active,
.btn-kilo[disabled].active,
fieldset[disabled] .btn-kilo:hover,
fieldset[disabled] .btn-kilo:focus,
fieldset[disabled] .btn-kilo:active,
fieldset[disabled] .btn-kilo.active {
  background-color: #dddddd;
  border-color: #dddddd;
}