FreeCodeCamp 2017 1 10 - huyx/1 GitHub Wiki
.test {
width: 100px;
font-size: 16px;
font-family: Monispace;
font-family: Lobster, Monispace;
border-style: solid;
border-width: 5px;
border-color: green;
border-radius: 10px;
border-radius: 50%; // 成个圆了
}<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<input type="text">
<input type="text" placeholder="cat photo URL">
<input type="text" required placeholder="cat photo URL">
<button type="submit">Submit</button>