為什么這個按鈕不能有邊框半徑？-有解無憂

紅色邊框僅供參考。我試過overflow: hidden了，但沒有用。我正在嘗試與紅色邊框具有相同的邊框半徑。有什么我做錯了嗎？謝謝你。

*,*::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    --violet: #8F00FF;
}

.rating {
    border: 1px solid red;
    border-radius: 8px;
    width: 30px;
    margin-left: 100px;
    margin-top: 100px;
    background-color: #f0f0f0;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0px 8px rgba(172, 169, 169, 0.1);
}

button {
    border: none;
    border-radius: 8px;
    align-items: center;
    color: var(--violet);
    font-weight: bold;
    cursor: pointer;
    -webkit-border-radius:10px;
    overflow: hidden;
}

.rating span {
    display: flex;
    justify-content: center;
    color: var(--violet);
    font-weight: bold;
}

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Interface</title>

    <!-- CSS Link -->
    <link rel="stylesheet" href="style.css">

    <!-- Boxicons -->
    <script src="https://unpkg.com/[email protected]/dist/boxicons.js"></script>

    <!-- Bootstrap -->
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">

    <!-- JS Link -->
    <script src="script.js" defer></script>
</head>
<body>
        
        <!-- <div >
           

            
        </div> -->
    
        <div class="rating">
            <button> </button>
            <span>12</span>
            <button>-</button>
        </div>
</body>
</html>

uj5u.com熱心網友回復：

您應該添加overflow: hidden哪個.rating有助于用邊框半徑完全覆寫內部元素

*,*::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    --violet: #8F00FF;
}

.rating {
    border: 1px solid red;
    border-radius: 8px;
    width: 30px;
    margin-left: 100px;
    margin-top: 100px;
    background-color: #f0f0f0;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0px 8px rgba(172, 169, 169, 0.1);
    overflow: hidden; /*The change is here*/
}

button {
    border: none;
    border-radius: 8px;
    align-items: center;
    color: var(--violet);
    font-weight: bold;
    cursor: pointer;
    -webkit-border-radius:10px;
    overflow: hidden;
}

.rating span {
    display: flex;
    justify-content: center;
    color: var(--violet);
    font-weight: bold;
}

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Interface</title>

    <!-- CSS Link -->
    <link rel="stylesheet" href="style.css">

    <!-- Boxicons -->
    <script src="https://unpkg.com/[email protected]/dist/boxicons.js"></script>

    <!-- Bootstrap -->
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">

    <!-- JS Link -->
    <script src="script.js" defer></script>
</head>
<body>
        
        <!-- <div >
           

            
        </div> -->
    
        <div class="rating">
            <button> </button>
            <span>12</span>
            <button>-</button>
        </div>
</body>
</html>

uj5u.com熱心網友回復：

這種行為是由于 bootstrap 導致的，因為在 bootstrap<button>中已經給出了標簽，border-radius:0因此您不能在直接標簽上更改它，而是可以創建button一個類并將其提供給<button>標簽。

*,*::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    --violet: #8F00FF;
}

.rating {
    border: 1px solid red;
    border-radius: 8px;
    width: 30px;
    margin-left: 100px;
    margin-top: 100px;
    background-color: #f0f0f0;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0px 8px rgba(172, 169, 169, 0.1);
}

.button {
border: none;
-webkit-border-radius: 8px;
border-radius: 8px;
align-items: center;
color: var(--violet);
font-weight: bold;
cursor: pointer;
overflow: hidden;    
  }

.rating span {
    display: flex;
    justify-content: center;
    color: var(--violet);
    font-weight: bold;
}

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Interface</title>

    <!-- CSS Link -->
    <link rel="stylesheet" href="style.css">

    <!-- Boxicons -->
    <script src="https://unpkg.com/[email protected]/dist/boxicons.js"></script>

    <!-- Bootstrap -->
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">

    <!-- JS Link -->
    <script src="script.js" defer></script>
</head>
<body>
        
        <!-- <div >
           

            
        </div> -->
    
        <div class="rating">
            <button class="button"> </button>
            <span>12</span>
            <button class="button">-</button>
        </div>
</body>
</html>

uj5u.com熱心網友回復：

您可以添加overflow: hidden;類.rating。

.rating {
    ...
    overflow: hidden;
}

或者您只需要為of添加!important規則。通過這種方式，您不必添加for 。border-radiusbuttonoverflow.rating

button {
 ...
 border-radius: 8px !important;
}

*,*::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    --violet: #8F00FF;
}

.rating {
    border: 1px solid red;
    border-radius: 8px;
    width: 30px;
    margin-left: 100px;
    margin-top: 100px;
    background-color: #f0f0f0;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0px 8px rgba(172, 169, 169, 0.1);
    overflow: hidden;
}

button {
    border: none;
    border-radius: 8px !important;
    align-items: center;
    color: var(--violet);
    font-weight: bold;
    cursor: pointer;
}

.rating span {
    display: flex;
    justify-content: center;
    color: var(--violet);
    font-weight: bold;
}

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Interface</title>

    <!-- CSS Link -->
    <link rel="stylesheet" href="style.css">

    <!-- Boxicons -->
    <script src="https://unpkg.com/[email protected]/dist/boxicons.js"></script>

    <!-- Bootstrap -->
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">

    <!-- JS Link -->
    <script src="script.js" defer></script>
</head>
<body>
        
        <!-- <div >
           

            
        </div> -->
    
        <div class="rating">
            <button> </button>
            <span>12</span>
            <button>-</button>
        </div>
</body>
</html>

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標籤：htmlcss

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