chrome/browser/resources/about_welcome_android/about_welcome_android.css

/* Copyright (c) 2012 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. */

@font-face {
  font-family: 'Roboto2';
  font-weight: 400;
  src: local('Roboto'), local('Roboto2-Regular');
}

html {
  height: 100%;
  width: 100%;
}

body {
  -webkit-align-items: center;
  -webkit-flex-direction: column;
  background-color: #fafafa;
  box-sizing: border-box;
  display: -webkit-flex;
  font-family: 'Roboto2', sans-serif;
  height: 100%;
  margin: 0 auto;
  max-width: 600px;
  padding: 20px;
  width: 100%;
}

a {
  color: rgb(51, 181, 229);
}

.spacing {
  -webkit-flex: 1;
}

#logo {
  -webkit-flex-shrink: 1;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  min-height: 60px;
  width: 100%;
}

#take-a-tour {
  -webkit-flex: none;
  background-color: rgb(66, 133, 244);
  border-radius: 2px;
  color: white;
  display: block;
  font-size: 18px;
  font-weight: medium;
  margin: 20px auto 0;
  max-width: 320px;
  padding: 15px 0;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  width: 100%;
}

.footer {
  -webkit-flex: none;
  color: #646464;
  font-size: 1.3em;
  margin-top: 20px;
  text-align: center;
}

/* Logos */
@media only screen {
  #logo {
    background-image: url(images/holo_logo_200.png);
  }
}

@media only screen and (-webkit-min-device-pixel-ratio: 1.0) {
  #logo {
    -webkit-flex-basis: 152px;
    max-width: 536px;
  }
}
@media only screen and (-webkit-min-device-pixel-ratio: 1.3) {
  #logo {
    -webkit-flex-basis: 114px;
    max-width: 402px;
  }
}
@media only screen and (-webkit-min-device-pixel-ratio: 1.5) {
  #logo {
    -webkit-flex-basis: 76px;
    background-image: url(images/holo_logo_150.png);
    max-width: 268px;
  }
}
@media only screen and (-webkit-min-device-pixel-ratio: 2.0) {
  #logo {
    -webkit-flex-basis: 76px;
    max-width: 268px;
  }
}

/* Increase spacing on larger screens. */
@media only screen and (min-height: 601px) {
  body {
    padding: 100px 20px;
  }

  #take-a-tour,
  #footer {
    margin-top: 60px;
  }
}