.pvw-welcome-text span {
  display: none;
}
.pvw-welcome-text:after {
  content: '{{description}}';
}

.pvw-title-text span {
  display: none;
}
.pvw-title-text:after {
  content: '{{title}}';
}
.pvw-login-copyright span {
  display: none;
}
.pvw-login-copyright:after {
  content: '{{copyright}}';
}