你即將離開本站

並前往https://www.w3schools.com/css/tryit.asp?filename=trycss_form_focus2

Input fields with black border on :focus - W3Schools

input [type=text] { width: 100%; padding: 12px 20px; margin: 8px 0; box-sizing: border-box; border: 3px solid #ccc; -webkit-transition: 0.5s;

確定！ 回上一頁

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