fix(style): font-weight lighter => 300

Author: Guillaume Chau

packages/@vue/cli-ui-addon-webpack/src/components/WebpackDashboard.vue

@@ -96,7 +96,7 @@ export default {
       .title
         color lighten($vue-ui-color-dark, 60%)
         font-size 20px
-        font-weight lighter
+        font-weight 300
         text-align center
         margin-bottom $padding-item
 
@@ -108,7 +108,7 @@ export default {
       .info-block
         v-box()
         box-center()
-        font-weight lighter
+        font-weight 300
         text-align center
 
         .label

packages/@vue/cli-ui-addon-widgets/src/components/Welcome.vue

@@ -69,7 +69,7 @@ export default {
 
 .title
   font-size 32px
-  font-weight lighter
+  font-weight 300
   text-align center
   margin-bottom ($padding-item * 2)
 

packages/@vue/cli-ui/src/components/app/TopBar.vue

@@ -31,5 +31,5 @@
 
 .title
   font-size 28px
-  font-weight lighter
+  font-weight 300
 </style>

packages/@vue/cli-ui/src/components/content/StepWizard.vue

@@ -112,7 +112,7 @@ export default {
     padding $padding-item
     font-size 24px
     text-align center
-    font-weight lighter
+    font-weight 300
 
   &.hide-tabs
     >>> .tabs

packages/@vue/cli-ui/src/components/prompt/PromptsList.vue

@@ -79,7 +79,7 @@ export default {
 .group-name
   padding $padding-item $padding-item ($padding-item / 2)
   font-size 1.6em
-  font-weight lighter
+  font-weight 300
   color $vue-ui-color-accent
   .vue-ui-dark-mode &
     color lighten($vue-ui-color-accent, 60%)