/*** ESSENTIAL STYLES ***/
.sf-menu {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sf-menu .sf-mega {
  position: absolute;
  display: none;
  top: 100%;
  left: 0;
  z-index: 99;
}
.sf-menu > li {
  float: left;
}
.sf-menu li:hover > .sf-mega,
.sf-menu li.sfHover > .sf-mega {
  display: block;
}

.sf-menu > li > a {
  display: block;
  position: relative;
}


/*** DEMO SKIN ***/
.sf-menu {
  float: left;
  margin-bottom: 1em;
  width: 100%;
}
.sf-menu .sf-mega {
  box-shadow: 2px 3px 6px rgba(0,0,0,.2);
  width: 100%; /* allow long menu items to determine submenu width */
}
.sf-menu > li > 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 */
  color: #13a;
}
.sf-menu > li {
  background: #BDD2FF;
  -webkit-transition: background .2s;
  transition: background .2s;
}
.sf-menu > li:hover,
.sf-menu > li.sfHover {
  background: #CFDEFF;
  /* only transition out, not in */
  -webkit-transition: none;
  transition: none;
}

/*** mega menu dropdown ***/
.sf-mega {
  background-color: #CFDEFF;
  padding: 1em;
  box-sizing: border-box;
  width: 100%;
}
.sf-mega-section {
  float: left;
  width: 8em; /* optional */
  padding: 0 1em 1em 0;
  margin-right: 1em;
  border-right: 1px solid #b4c8f5;
}


/*** arrows (for all except IE7) **/
.sf-arrows .sf-with-ul {
  padding-right: 2.5em;
  *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: #dFeEFF; /* edit this to suit design (no rgba in IE8) */
  border-top-color: rgba(255,255,255,.5);
}
.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 */
}