implemented the simplest web user interface possible

node_modules/bulma/sass/elements/progress.sass

@@ -0,0 +1,40 @@
+$progress-bar-background-color: $border !default
+$progress-value-background-color: $text !default
+
+.progress
+  +block
+  -moz-appearance: none
+  -webkit-appearance: none
+  border: none
+  border-radius: $radius-rounded
+  display: block
+  height: $size-normal
+  overflow: hidden
+  padding: 0
+  width: 100%
+  &::-webkit-progress-bar
+    background-color: $progress-bar-background-color
+  &::-webkit-progress-value
+    background-color: $progress-value-background-color
+  &::-moz-progress-bar
+    background-color: $progress-value-background-color
+  &::-ms-fill
+    background-color: $progress-value-background-color
+    border: none
+  // Colors
+  @each $name, $pair in $colors
+    $color: nth($pair, 1)
+    &.is-#{$name}
+      &::-webkit-progress-value
+        background-color: $color
+      &::-moz-progress-bar
+        background-color: $color
+      &::-ms-fill
+        background-color: $color
+  // Sizes
+  &.is-small
+    height: $size-small
+  &.is-medium
+    height: $size-medium
+  &.is-large
+    height: $size-large