Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.7)
// Compass (v1.0.1)
// ----

$sibone-color: #8cc63f;
$stabilit-color: #00477F;

.menu {
  .sibone & {
    border: 1px solid darken($sibone-color, 5%) !important;
  }
  .stabilit & {
    border: 1px solid darken($stabilit-color, 5%) !important;
  }
  li + li {
    border-bottom:none;
    .sibone & {
      border-top: 1px solid darken($sibone-color, 5%);
    }
    .stabilit & {
      border-top: 1px solid darken($stabilit-color, 5%);
    }
  }
  a {
    .sibone & {
      background: $sibone-color; 
    }
    .stabilit & {
      background: $stabilit-color; 
    }
  }
  a:hover {
    .sibone & {
      background: darken($sibone-color, 5%); 
    }
    .stabilit & {
      background: darken($stabilit-color, 5%); 
    }
  }
}

SassMeister-output.css

.sibone .menu {
  border: 1px solid #7fb636 !important;
}
.stabilit .menu {
  border: 1px solid #003966 !important;
}
.menu li + li {
  border-bottom: none;
}
.sibone .menu li + li {
  border-top: 1px solid #7fb636;
}
.stabilit .menu li + li {
  border-top: 1px solid #003966;
}
.sibone .menu a {
  background: #8cc63f;
}
.stabilit .menu a {
  background: #00477F;
}
.sibone .menu a:hover {
  background: #7fb636;
}
.stabilit .menu a:hover {
  background: #003966;
}