删除 html 输入字段的边框

Remove the border of an html input field

有没有办法更改颜色并删除 html 输入字段的边框?

echo Html::activeInput('text',$modelFahrtkostenItem, "[{$i}]nummer", $options = ['disabled' => true,'border'=> 'none']);

您似乎忘记将 "border" 放入 "style"

echo Html::activeInput('text',$modelFahrtkostenItem, "[{$i}]nummer", $options = ['disabled' => true,'style' => ['border'=> 'none']]);