How to compress this menu?

HTML & CSS
10

Look for the element, not the color.

https://wheeltastic.com/theme/1/css/sidebarmenu.css
(line 105)

#cssmenu ul > li.has-sub::after {
    -moz-border-bottom-colors: none;
    -moz-border-left-colors: none;
    -moz-border-right-colors: none;
    -moz-border-top-colors: none;
    border-color: #dddddd transparent transparent;
    border-image: none;
    border-style: solid;
    border-width: 7px;
    content: "";
    display: block;
    height: 0;
    pointer-events: none;
    position: absolute;
    right: 20px;
    top:50%;  /* CHANGED FROM 24.5px */
    width: 0;
    z-index: 2;
}