What are the built-in styles of html elements and how to remove them?-HTML Tutorial-php.cn

What are the built-in styles of html elements and how to remove them?

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Release： 2023-01-03 09:27:37

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html elements have default styles. Methods to remove them: 1. Remove the default style globally, the code is [*{padding:0;margin:0;box-sizing:..}]; 2. Remove the a tag The default style, code is [a{text-decoration: none;color:#3].

What are the built-in styles of html elements and how to remove them?

The operating environment of this tutorial: windows7 system, html5 version, DELL G3 computer.

html elements have default styles, how to remove them:

1. Remove default styles globally

*{padding:0;margin:0;box-sizing: border-box;font-size: 14px;}

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2. Remove default styles from a tag

 a{text-decoration: none;color:#333;}
 a:hover, a:visited, a:link, a:active {
    color:#333;
    // 设置使所有a标签的四种状态都和本身颜色保持一致，样式代码自己写
}

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3、li

ul,ol{list-style: none;}

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4、img

img{
　　vertical-align：top；
　　border：none;
}

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5、button

.button{
    border:0;
    background-color:none
    outline:none;
    -webkit-appearance: none;//用于IOS下移除原生样式
}

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6、select

select {
    border: none;
    appearance:none;
    -moz-appearance:none;
    -webkit-appearance:none;
    /*在选择框的最右侧中间显示小箭头图片*/
    background: url("http://ourjs.github.io/static/2015/arrow.png") no-repeat scroll right center transparent;
    padding-right: 14px;
}

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7、h1

h1,h2,h3,h4,h5,h6{font-weight:normal;}

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8, input, textarea

input,textarea {
    outline: none;
    border: none;
}
textarea {
    resize: none;
    overflow: auto;
}

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9, italics i

i{font-style: normal;}

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10, table

table{border-collapse:collapse;border-spacing:0;}

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11, remove input[type=number] plus and minus signs

/*去除input[type=number]加减号*/
/* 谷歌 */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}
/* 火狐 */
input{
    -moz-appearance:textfield;
}

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