Add these codes to the Custom CSS box
First name
/* First name */
div.first-name .caption-text {
display: none;
}
Last Name
/* Last name */
div.last-name .caption-text {
display: none;
}
Text field
/* Text field */
.text span {
display: none;
}
Phone field
/* Phone field */
.phone span {
display: none;
}
/* Email */
.email span {
display: none;
}
Select dropdown
/* Select dropdown */
.select span {
display: none;
}
Message field
/* Message field */
.textarea span {
display: none;
}