Стрелки в выпадающем меню

.sf-menu ul {
position: absolute;
display: none;
top: 100%;
left: 0;
z-index: 99;
}
.sf-menu > li {
float: left;
}
.sf-menu li:hover > ul,
.sf-menu li.sfHover > ul {
display: block;
}

.sf-menu a {
display: block;
position: relative;
color: #333;
}
.sf-menu ul ul {
top: 0;
left: 100%;
}


/*** DEMO SKIN ***/
.sf-menu {
/*float: left;*/
/*margin-bottom: 1em;*/
}
.sf-menu ul {
box-shadow: 2px 2px 6px rgba(0,0,0,.2);
min-width: 12em; /* allow long menu items to determine submenu width */
*width: 12em; /* no auto sub width for IE7, see white-space comment below */
}
.sf-menu a {
/*border-left: 1px solid #fff;*/
/*border-top: 1px solid #dFeEFF;*/ /* fallback colour must use full shorthand */
/*border-top: 1px solid rgba(255,255,255,.5);*/
padding: .75em 1em;
text-decoration: none;
zoom: 1; /* IE7 */
}
.sf-menu a {
}
.sf-menu li {
/*background: #BDD2FF;*/
}
.sf-menu ul li {
background: #F5F5F5;
}
.sf-menu ul ul li {
background: #F5F5F5;
}
.sf-menu li:hover,
.sf-menu li.sfHover {
/* background: #0B3E73; */
/* only transition out, not in */
}

/*** arrows (for all except IE7) **/
.sf-arrows .sf-with-ul {
padding-right: 2.0em;
*padding-right: 1em; /* no CSS arrows for IE7 (lack pseudo-elements) */
}
/* styling for both css and generated arrows */
.sf-arrows .sf-with-ul:after {
content: '';
position: absolute;
top: 50%;
right: 1em;
margin-top: -3px;
height: 0;
width: 0;
/* order of following 3 rules important for fallbacks to work */
border: 5px solid transparent;
border-top-color: #ffffff;
border-top-color: rgb(255, 255, 255);
}
.sf-arrows > li > .sf-with-ul:focus:after,
.sf-arrows > li:hover > .sf-with-ul:after,
.sf-arrows > .sfHover > .sf-with-ul:after {
border-top-color: white; /* IE8 fallback colour */
}
/* styling for right-facing arrows */
.sf-arrows ul .sf-with-ul:after {
margin-top: -5px;
margin-right: -3px;
border-color: transparent;
border-left-color: #333333; /* edit this to suit design (no rgba in IE8) */
border-left-color: rgb(51, 51, 51);
}
.sf-arrows ul li > .sf-with-ul:focus:after {
border-left-color: black;
}
.sf-arrows ul li:hover > .sf-with-ul:after {
border-left-color: white;
}
.sf-arrows ul .sfHover > .sf-with-ul:after {
border-left-color: black;
}