^^&&^^

Edit File: contextmenu.less

.elfinder {
  .elfinder-contextmenu * {
    font: normal normal normal 16px Arial,Helvetica,Tahoma,Verdana,Sans-Serif;
  }

.elfinder-contextmenu {
    display: block;
    border: 1px solid #b6b6b6;
    padding: 0;
    box-shadow: 0 0 3px rgba(0,0,0,.15);
  }

/* item */
  .elfinder-contextmenu .elfinder-contextmenu-item {
    padding: 5px 30px 5px 30px;
    box-sizing: border-box;
    height: 24px;
  }

/* item hovered */
  .elfinder-contextmenu .elfinder-contextmenu-item:hover {
    background-color: #EFF0EF;
  }

/* icons */
  .elfinder-contextmenu .elfinder-contextmenu-icon {
    top: 0;
    left: 0;
    margin: 0;
    background-color: #D7D8D7;
    opacity: 0.70; /* Safari, Opera and Mozilla */
    filter: alpha(opacity=70); /* IE */
    height: 100%;
    line-height: 24px;
    width: 24px;
    text-align: center;
  }

/* separator */
  .elfinder-contextmenu .elfinder-contextmenu-separator {
    border: none;
    background-color: #D3D3D3;
    height: 1px;
    filter: alpha(opacity=70); /* IE */
    opacity: 0.70; /* Safari, Opera and Mozilla */
  }
}