chrome-extensions-samples/_archive/apps/samples/webview-samples/user-agent/browser.css

body {
  margin: 0px;
  padding: 0px;
  border: 0px;
  font-family: Lucida Grande, Arial, sans-serif;
}

button,
input {
  outline: none;
}

div {
  margin: 0px;
  padding: 0px;
  border: 0px;
}

.content-container,
.webview-container {
  display: inline-block;
  position: relative;
  margin: 0px;
  padding: 0px;
  border: 0px;
}

#content-overlay,
.webview-overlay {
  background: #000;
  opacity: 0.5;
  visibility: hidden;
}

#content-overlay {
  z-index: 2;
}

.webview-overlay {
  z-index: 1;
}

#controls {
  padding: 3px;
  border-bottom: solid 1px #ccc;
  background-color: #eee;
}

#controls button,
#controls input {
  font-size: 14px;
  line-height: 24px;
  border-radius: 2px;
  padding: 0 6px;
}

#controls button#reload {
  border-radius: 16px;
}

button,
input[type="submit"],
button[disabled]:hover {
  border: solid 1px transparent;
  background: transparent;
}

button:hover,
input[type="submit"]:hover {
  border-color: #ccc;
  background: -webkit-linear-gradient(bottom, #cccccc 0%, #f2f2f2 99%);
}

button:active,
input[type="submit"]:active {
  border-color: #bbb;
  background: -webkit-linear-gradient(bottom, #e2e2e2 0%, #bbbbbb 99%);
}

/* These glyphs are on the small side, make them look more natural when
compared to the back/forward buttons */
#controls #home,
#controls #terminate {
  font-size: 24px;
}

#controls #reload {
  font-size: 20px;
}

#controls #zoom,
#controls #find {
  font-size: 18px;
}

#location {
  border: solid 1px #ccc;
  padding: 2px;
  width: 100%;
  -webkit-box-sizing: border-box;
}

#controls {
  display: -webkit-flex;
  -webit-flex-direction: column;
}

#controls #location-form {
  -webkit-flex: 1;
  display: -webkit-flex;
  -webit-flex-direction: column;
}

#controls #center-column {
  -webkit-flex: 1;
}

#zoom-box,
#find-box {
  background-color: #eee;
  border: solid 1px #ccc;
  border-top: solid 1px #eee;
  border-bottom-left-radius: 2px;
  border-bottom-right-radius: 2px;
  padding: 2px;

  position: fixed;
  top: 36px;
  height: 25px;

  display: none;
}

#zoom-box #zoom-form,
#find-box #find-form {
  -webkit-flex: 1;
  display: -webkit-flex;
  -webit-flex-direction: row;
}

#zoom-box input,
#zoom-box button,
#find-box button {
  border-radius: 2px;
}

#zoom-box #zoom-text,
#find-box #find-text {
  border: solid 1px #ccc;
  margin-right: 0px;
  padding: 2px;
  -webkit-box-sizing: border-box;
  -webkit-flex: 1;
}

#zoom-box {
  left: 5px;
  width: 125px;
  z-index: 3;
}

#zoom-box input[type="submit"] {
  font-size: 14px;
  margin: 2px 0px;
  padding: 0 2px 3px 2px;
  width: 22px;
}

#zoom-box button {
  font-size: 12px;
  margin: 2px 0px;
  padding: 0px 1px 0px 0px;
  width: 20px;
}

#find-box {
  right: 5px;
  width: 500px;
  z-index: 4;
}

#find-box #find-text {
  border-right-style: none;
  border-top-left-radius: 2px;
  border-bottom-left-radius: 2px;
}

#find-box #find-results {
  color: #888;
  background-color: #fff;
  border: solid 1px #ccc;
  border-left-style: none;
  border-top-right-radius: 2px;
  border-bottom-right-radius: 2px;
  margin: 2px 0px;
  padding: 3px 4px 2px 0;
  text-align: center;
}

#find-box #match-case {
  margin: 2px 0px;
  font-size: 10px;
  width: 28px;
}

#find-box #find-backward,
#find-box #find-forward {
  font-size: 14px;
  width: 24px;
}

.sad-webview,
.webview-overlay,
webview {
  display: inline-block;
  padding: 0px;
  margin: 0px;
  border: 0px;
  position: absolute;
  top: 0px;
  left: 0px;
}

#content-overlay {
  display: inline-block;
  padding: 0px;
  margin: 0px;
  border: 0px;
  position: absolute;
  top: 0px;
  left: 0px;
}


.loading #content-overlay,
[data-loading="t"] .webview-overlay {
  visibility: visible;
}

/* The reload button turns into a spinning trobber */
.loading #reload {
  -webkit-animation: spinner-animation .5s infinite linear;
  -webkit-transform-origin: 50% 55.5%;
}

@-webkit-keyframes spinner-animation {
  0% { -webkit-transform: rotate(0deg); }
  100% {-webkit-transform: rotate(360deg); }
}

/* Due to http://crbug.com/156219 we can't use display: none */
.sad-webview,
.exited webview {
  visibility: hidden;
}

.exited .sad-webview,
.killed .sad-webview {
  visibility: visible;
  text-align: center;
}


.exited webview,
.killed webview {
  height: 0px;
}

.sad-webview h2 {
  font-size: 14px;
}

.sad-webview p {
  font-size: 11px;
}

.sad-webview-icon {
  font-size: 96px;
  margin-bottom: 10px;
}

/* Variant of the crashed page when the process is intentionally killed (in that
case we use a different background color and label). */
.exited .sad-webview .killed-label {
  display: none;
}

.killed .sad-webview {
  background: #393058;
}

.killed .sad-webview .killed-label {
  display: block;
}

.killed .sad-webview .crashed-label {
  display: none;
}