MAGETWO-33443: Password strength validator on installation wizard works in over-exacting mode

- fixed UI

Author: Olga Kopylova

setup/module/Magento/Setup/styles/components/tooltips/_password-strength.less

@@ -7,7 +7,7 @@
     display: block;
     margin: 0 -.3rem 1em;
     white-space: nowrap;
-    &.password-strength-to-short {
+    &.password-strength-too-short {
         .password-strength-item {
             &:first-child {
                 background-color: @color-failed;
@@ -20,10 +20,19 @@
             background-color: @color-warning;
         }
     }
-    &.password-strength-good {
+    &.password-strength-fair {
         .password-strength-item:first-child,
         .password-strength-item:first-child + .password-strength-item,
         .password-strength-item:first-child + .password-strength-item + .password-strength-item {
+            background-color: @color-warning;
+        }
+    }
+    &.password-strength-good {
+        .password-strength-item:first-child,
+        .password-strength-item:first-child + .password-strength-item,
+        .password-strength-item:first-child + .password-strength-item + .password-strength-item,
+        .password-strength-item:first-child + .password-strength-item + .password-strength-item
+            + .password-strength-item {
             background-color: @color-success;
         }
     }
@@ -38,6 +47,6 @@
         font-size: 0;
         height: 1.4rem;
         margin-right: .3rem;
-        width: ~'calc(25% - .6rem)';
+        width: ~'calc(20% - .6rem)';
     }
 }