DevTools: cleanup button styles

third_party/WebKit/Source/devtools/front_end/ui/textButton.css

 /*
  * Copyright (c) 2014 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 :host {
     background-image: linear-gradient(hsl(0, 0%, 93%), hsl(0, 0%, 93%) 38%, hsl(0, 0%, 87%));
     border: 1px solid hsla(0, 0%, 0%, 0.25);
     border-radius: 2px;
     box-shadow: 0 1px 0 hsla(0, 0%, 0%, 0.08), inset 0 1px 2px hsla(0, 100%, 100%, 0.75);
     color: hsl(0, 0%, 27%);
     font-size: 12px;
     margin: 0 1px 0 0;
     text-shadow: 0 1px 0 hsl(0, 0%, 94%);
-    min-height: 2em !important;
+    height: 24px;
     padding-left: 10px;
     padding-right: 10px;
     -webkit-user-select: none;
     flex: none;
 }
 
 :host-context(body.inactive),
 :host(:disabled) {
     background-image: linear-gradient(#f1f1f1, #f1f1f1 38%, #e6e6e6);
     border-color: rgba(80, 80, 80, 0.2);
@@ skipping 12 matching lines @@
     background-image: linear-gradient(hsl(0, 0%, 91%), hsl(0, 0%, 91%) 38%, hsl(0, 0%, 84%));
     box-shadow: none;
     text-shadow: none;
 }
 
 :host(:not(:disabled):focus) {
     -webkit-transition: border-color 200ms;
     border-color: rgb(77, 144, 254);
     outline: none;
 }