freeCodeCamp/public/css/app.css

body {
  padding-top: 50px;
}

.starter-template {
  padding: 40px 15px;
  text-align: center;
}

.help-block.error,
label.error {
  color: #e74c3c;
}

.form-control.error,
.form-control.error:focus {
  border: 2px solid #e74c3c;
}


.btn-label {
  position: relative;
  left: -12px;
  display: inline-block;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 3px 0 0 3px;
}

.btn-labeled {
  padding-top: 0;
  padding-bottom: 0;
}

.btn {
  margin-bottom: 10px;
}

.main {
  max-width: 320px;
  margin: 0 auto;
}
.login-or {
  position: relative;
  font-size: 18px;
  color: #aaa;
  margin-top: 10px;
  margin-bottom: 10px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.span-or {
  display: block;
  position: absolute;
  left: 50%;
  top: -2px;
  margin-left: -25px;
  background-color: #fff;
  width: 50px;
  text-align: center;
}
.hr-or {
  background-color: #cdcdcd;
  height: 1px;
  margin-top: 0px !important;
  margin-bottom: 0px !important;
}
h3 {
  text-align: center;
  line-height: 300%;
}