Add extensions

sass/base/generic.sass

@@ -62,6 +62,7 @@ hr
   margin: 1.5rem 0
 
 img
+  height: auto
   max-width: 100%
 
 input[type="checkbox"],

sass/base/helpers.sass

@@ -50,6 +50,29 @@ $displays: 'block' 'flex' 'inline' 'inline-block' 'inline-flex'
 
 // Text
 
+@each $size in $sizes
+  $i: index($sizes, $size)
+  .is-size-#{$i}
+    font-size: $size
+  +mobile
+    .is-size-#{$i}-mobile
+      font-size: $size
+  +tablet
+    .is-size-#{$i}-tablet
+      font-size: $size
+  +touch
+    .is-size-#{$i}-touch
+      font-size: $size
+  +desktop
+    .is-size-#{$i}-desktop
+      font-size: $size
+  +widescreen
+    .is-size-#{$i}-widescreen
+      font-size: $size
+  +fullhd
+    .is-size-#{$i}-fullhd
+      font-size: $size
+
 .has-text-centered
   text-align: center !important
 

sass/components/message.sass

@@ -30,10 +30,10 @@
   line-height: 1.25
   padding: 0.5em 0.75em
   position: relative
-  a,
+  a:not(.button),
   strong
     color: currentColor
-  a
+  a:not(.button)
     text-decoration: underline
   .delete
     flex-grow: 0
@@ -49,10 +49,10 @@
   border-radius: $radius
   color: $text
   padding: 1em 1.25em
-  a,
+  a:not(.button),
   strong
     color: currentColor
-  a
+  a:not(.button)
     text-decoration: underline
   code,
   pre