public/css/signin.css
@import url("https://lipis.github.io/bootstrap-social/bootstrap-social.css");

body {
  padding-top: 40px;
  padding-bottom: 40px;
}

.form-signin {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .form-signin-heading {
  font-weight: 300;
  margin-bottom: 20px;
  text-align: center;
}
.form-signin .form-signin-link {
  margin-top: 10px;
  text-align: center;
  display: block;
}
.form-signin .form-control {
  position: relative;
  height: auto;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input {
  margin-bottom: 10px;
}

a.btn-discord img {
  padding: 0.15em 0.1em 0.1em 0.1em;
}
a.btn-discord {
  background-color: #7289da;
  color: #FFFFFF;
}
a.btn-discord:hover {
  color: #FFFFFF !important;
  background-color: #6178e9;
}

.btn-reddit {
  color: #fff;
  background-color: #ff4500;
}

.btn-reddit:hover {
  background-color: #ee3400;
  color: #fff;
}

.btn-social {
  font-size: 14px;
  padding: 8px 12px;
  padding-left: 38px;
}

.btn-social>:first-child {
  border-right: none;
  top: 2px;
  bottom: 2px;
  left: 2px;
  width: 32px;
}

.separator-text {
  text-align: center;
  font-weight: 600;
  text-transform: uppercase;
  color: #888;
  font-size: 15px;
  margin: 15px 0;
  position: relative;
}

.separator-text > .text {
  background: #fff;
  margin: 0 auto;
  display: inline-block;
  padding: 0 10px;
  z-index: 2;
  position: relative;
}

.separator-text > .separator {
  border-top: 1px solid #bdbdbd;
  position: absolute;
  top: 50%;
  left: 10px;
  right: 10px;
  z-index: 1;
}