TODO: Slider

DONE: Segmented buttons

src/styles/button-styles/segmented-button.sass

@@ -1,31 +1,46 @@
 div.m3.m3-segmented-buttons
+    padding: 0
+    height: 40px
     display: flex
     flex-direction: row
-    width: min-content
     border-radius: 20px
+    box-sizing: border-box
+    border-collapse: collapse
 
     & > button.m3.m3-button-segment
+        margin: 0 -0.5px 0 -0.5px
+
+    & > button.m3.m3-button-segment:first-child
+        border-radius: 20px 0 0 20px
+    & > button.m3.m3-button-segment:last-child
+        border-radius: 0 20px 20px 0
+
+    & >  button.m3.m3-button-segment
         height: 40px
-        border-radius: 0
+        display: flex
         min-width: 108px
         width: max-content
-        box-sizing: border-box
+        padding-inline: 10px
         border: 1px solid var(--md-sys-color-outline)
 
+        &
+            border-radius: 0
+            background-color: transparent
+
         & > span
             color: var(--md-sys-color-on-surface)
 
         & > svg > text
             fill: var(--md-sys-color-on-surface)
 
-        &:not(:first-child)
-            margin-left: -1px
+        &.selected
+            background-color: var(--md-sys-color-secondary-container)
 
-        &:first-child
-            border-radius: 20px 0 0 20px
+        &.selected > span
+            color: var(--md-sys-color-on-secondary-container)
 
-        &:last-child
-            border-radius: 0 20px 20px 0
+        &.selected > svg > text
+            fill: var(--md-sys-color-on-secondary-container)
 
         & > span.m3.m3-button-segment-state-layer
             position: absolute