hugo/static/css/bootstrap-additions-gohugo.css

/*!
 * Bootstrap for http://gohugo.io/
 * additional property-value pairs, for selectors already in Bootstrap;
 * also, additional Bootstrap-like selectors
 *
 * Keep all such property additions to Bootstrap v3.3.6 here.
 *
 * Here, maintain the same order as the original Bootstrap file.
 *
 * Keep any additional Bootstrap-like selectors at the bottom.
 *
 * Copyright 2013-2016 Steve Francia and the Hugo Authors
 *
 * Based on 'dist/css/bootstrap.css' from:
 *
 * Bootstrap v3.3.6 (http://getbootstrap.com)
 * Copyright 2011-2015 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */
.btn {
  -webkit-transition: all 0.15s;
     -moz-transition: all 0.15s;
          transition: all 0.15s;
}
.btn-primary:focus,
.btn-primary:active,
.btn-success:focus,
.btn-success:active,
.btn-info:focus,
.btn-info:active {
  background-color: transparent;
}
.btn-default:hover,
.btn-default:active,
.btn-primary:hover,
.btn-primary:active,
.btn-success:hover,
.btn-success:active,
.btn-info:hover,
.btn-info:active {
  outline: none;
}

/* additional Bootstrap-like selectors */

.btn-repo {
  border-color: black;
  background-color: rgba(30, 30, 30, 0.8);
  color: white;
}
.btn-repo:focus,
.btn-repo:active {
  color: black;
}
.btn-repo:hover {
  background-color: aliceblue;
}
.btn-repo:focus,
.btn-repo:active {
  background-color: transparent;
}
.btn-repo:hover,
.btn-repo:active {
  outline: none;
}