Detailed Description:
There are duplicate entries in the provided sample css:
/* Apply this class to text/select input fields with shorter labels
to help alignment */
.short-label label {float:left; width:10em}
.short-label fieldset div input,
.short-label fieldset div select {width:16em}
/* Pretty up your Captcha image output */
.captcha {
margin:0.5em 0;
width:200px;
text-align:center
}
.captcha img {border:1px solid #F60; margin-bottom:0.5em}
.captcha input {width:196px; margin-top:0.5em}
/* Just a bit more room for the Submit button */
.submit {margin-top:0.5em}
/* Apply this class to text/select input fields with shorter labels
to help alignment */
.short-label label {float:left; width:10em}
.short-label fieldset div input,
.short-label fieldset div select {width:16em}
/* Pretty up your Captcha image output */
.captcha {
margin:0.5em 0;
width:200px;
text-align:center
}
.captcha img {border:1px solid #F60; margin-bottom:0.5em}
.captcha input {width:196px; margin-top:0.5em}
/* Just a bit more room for the Submit button */
.submit {margin-top:0.5em}