slickgrid/controls/slick.gridmenu.css

.slick-gridmenu {
  border: 1px solid #718BB7;
  background: #f0f0f0;
  padding: 6px;
  -moz-box-shadow: 2px 2px 2px silver;
  -webkit-box-shadow: 2px 2px 2px silver;
  box-shadow: 2px 2px 2px silver;
  min-width: 180px;
  cursor: default;
  position:absolute;
  z-index: 2000;
	overflow:auto;
  resize: both;
}

.slick-gridmenu-button {
  position: absolute;
  cursor: pointer;
  right: 0;
  padding: 0 2px;
  top: 0;
  background-color: transparent;
  cursor: pointer;
  border: 0;
  margin-top: 5px;
  width: 16px;
}

.slick-gridmenu > .close {
  float: right;
}

.slick-gridmenu .title {
  font-size: 16px;
  width: calc(100% - 30px);
  border-bottom: solid 1px #d6d6d6;
  margin-bottom: 5px;
}

.slick-gridmenu li {
  list-style: none;
  margin: 0;
  padding: 0;
  background: none;
}

.slick-gridmenu input {
  margin: 4px;
}

.slick-gridmenu li a {
  display: block;
  padding: 4px;
  font-weight: bold;
}

.slick-gridmenu li a:hover {
  background: white;
}


.slick-gridmenu-custom {
  margin-bottom: 10px;
}

/* Menu */
.slick-gridmenu- {
  position: absolute;
  display: inline-block;
  margin: 0;
  padding: 2px;
  cursor: default;
}


/* Menu items */
.slick-gridmenu-item {
  list-style: none;
  margin: 0;
  cursor: pointer;
  padding: 2px 4px;
  border: 1px solid transparent;
  border-radius: 3px;
  display: block;
}
.slick-gridmenu-item:hover {
  border-color: silver;
  background: white;
}
.slick-gridmenu-item-disabled {
  border-color: transparent !important;
  background: inherit !important;
}

.slick-gridmenu-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: 4px;
  background-repeat: no-repeat;
  background-position: center center;
}

.slick-gridmenu-content {
  display: inline-block;
  vertical-align: middle;
}

/* Disabled */
.slick-gridmenu-item-disabled {
  color: silver;
}

/* Hidden */
.slick-gridmenu-item-hidden {
  display: none;
}

/* Excluded item from Grid Menu will be hidden */
.slick-gridmenu-list li.hidden {
  display: none;
}

/* Divider */
.slick-gridmenu-item.slick-gridmenu-item-divider {
  cursor: default;
  border: none;
  overflow: hidden;
  padding: 0;
  height: 1px;
  margin: 8px 2px;
  background-color: #cecece;
}
.slick-gridmenu-item-divider.slick-gridmenu-item:hover {
  background-color: #cecece;
}