Nice menu reset and configuration for a sass setup.

nice-menu-config.scss

/**
* Reset and setup for customizing Nice Menus
* by Jake Craige with Poetic Systems
* on July 11, 2013
*/

/* ------EXAMPLE CSS FILE---------
@import "base";
@import "nice-menu-config";


#block-nice-menus-1 {
  @include nice-menu-reset;

  $nice-background:         gray;
  $nice-color:              red;
  $nice-hover:              blue;
  $nice-padding-top-bot:    15px;
  $nice-padding-left-right: 30px;
  $nice-font-size:          15px;
  $nice-line-height:        20px;
  $nice-center:             true;

  position: absolute;
  top: 40%;
  right: 12%;

  @include nice-menu-setup($nice-background, $nice-color, $nice-hover, 
                           $nice-padding-top-bot, $nice-padding-left-right,
                           $nice-font-size, $nice-line-height, $nice-center);
}
*/

@mixin center-dropdown($center) {
  @if $center {
    ul.nice-menu ul {
      left: -50%;

      ul {
        left: 100%;
      }
    }
  }
}

@mixin nice-menu-reset($global: 'false') {
  @if($global == 'all') {
    .block-nice-menus {
      ul,
      ul li,
      ul ul,
      ul ul li {
        border: 0;
        a {
          text-decoration: none;
          color: black;
          &:hover {
            text-decoration: underline;
          }
        }
        &.nice-menu-down {
          li.menuparent {
            background: #eee;
            &:hover {
              background: #eee;
            }
          }
        }
      }
    }
  }
  @else {
    ul,
    ul li,
    ul ul,
    ul ul li {
      border: 0;
      a {
        text-decoration: none;
        color: black;
        &:hover {
          text-decoration: underline;
        }
      }
      &.nice-menu-down {
        li.menuparent {
          background: #eee;
          &:hover {
            background: #eee;
          }
        }
      }
    }
  }
}

@mixin nice-menu-setup($nice-background, $nice-color, $nice-hover,
                       $nice-padding-top-bot, $nice-padding-left-right,
                           $nice-font-size, $nice-line-height, $nice-center) {
  @include center_dropdown($nice-center);
  ul {
    &.nice-menu-down {
      li.menuparent {
        background: $nice-background;
        &:hover {
          background: $nice-hover;
        }
      }
    }
  }
  ul li,
  ul ul li {
    background: $nice-background;
    &:hover {
      background: $nice-hover;
    }
    a {
      color: $nice-color;
      padding: $nice-padding-top-bot $nice-padding-left-right;
      font-size: $nice-font-size;
      line-height: $nice-line-height;
    }
  }
  ul.nice-menu ul {
    top: $nice-padding-top-bot * 2 + $nice-line-height;
    ul {
      top: 0;
    }
  }
}