[MD settings] adjust button layout

ui/webui/resources/cr_elements/shared_style_css.html

Index: ui/webui/resources/cr_elements/shared_style_css.html
diff --git a/ui/webui/resources/cr_elements/shared_style_css.html b/ui/webui/resources/cr_elements/shared_style_css.html
index b5464b7dfbd504235071d70a7b05c8017fd89627..75de21919735a7e7deaa284d01d6cecd8368f671 100644
--- a/ui/webui/resources/cr_elements/shared_style_css.html
+++ b/ui/webui/resources/cr_elements/shared_style_css.html
@@ -49,7 +49,8 @@
       }
 
       button[is='paper-icon-button-light'] {
-        @apply(--cr-paper-icon-button-margin);
+        -webkit-margin-end: calc(var(--cr-icon-ripple-padding) * -1);

[hcarmona, 2017/05/25 23:42:58]

This is used in 4 places, can we make a variable for
var(--cr-icon-ripple-padding) * -1 ?
possibly --cr-icon-ripple-margin

[dschuyler, 2017/05/26 00:07:03]

Done.

+        -webkit-margin-start: 16px;
         background-position: center;
         background-repeat: no-repeat;
         background-size: var(--cr-icon-size);
@@ -58,6 +59,10 @@
         width: var(--cr-icon-ripple-size);
       }
 
+      .separator + button[is='paper-icon-button-light'] {
+        -webkit-margin-start: calc(var(--cr-icon-ripple-padding) * -1);
+      }
+
       button[is='paper-icon-button-light'].subpage-arrow {
         background-image: url(chrome://resources/images/arrow_right.svg);
       }
@@ -80,6 +85,20 @@
         display: none;
       }
 
+      paper-icon-button {

[hcarmona, 2017/05/25 23:42:58]

Can this

[dschuyler, 2017/05/26 00:07:03]

Done.

+        color: var(--paper-grey-600);
+        flex-shrink: 0;
+      }
+
+      paper-icon-button {

[hcarmona, 2017/05/25 23:42:58]

and this can be combined b/c they use the same selector?

[dschuyler, 2017/05/26 00:07:03]

Done.

+        -webkit-margin-end: calc(var(--cr-icon-ripple-padding) * -1);
+        -webkit-margin-start: 16px;
+      }
+
+      .separator + paper-icon-button {
+        -webkit-margin-start: calc(var(--cr-icon-ripple-padding) * -1);
+      }
+
       paper-icon-button.subpage-arrow {
         background-image: url(../images/arrow_right.svg);
       }