body,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    hr,
    p,
    blockquote,
    dl,
    dt,
    dd,
    ul,
    ol,
    li,
    pre,
    form,
    fieldset,
    legend,
    button,
    input,
    img,
    textarea,
    th,
    td {
        margin: 0;
        padding: 0;
    }
    
    body,
    button,
    input,
    select,
    textarea {
        font: 16px/1.5 tahoma, arial, \5b8b\4f53;
    }
    
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-size: 100%;
    }
    
    ul,
    ol {
        list-style: none;
    }
    
    a {
        text-decoration: none;
        color: #000;
    }
    
    table {
        border-collapse: collapse;
        /* //表格的边框合并，如果相邻，则共用一个边框。 */
        border-spacing: 0px;
        /*  /设置行与单元格边框的间距。*/
    }
    
    input {
        background: none;
        outline: none;
        border: none;
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
        -webkit-appearance: none;
    }
    
    input[type="text"],
    input[type="button"],
    input[type="submit"],
    input[type="reset"],
    select,
    textarea,
    button {
        -webkit-appearance: none;
    }
    
    input:-webkit-autofill {
        -webkit-box-shadow: 0 0 0px 100px white inset;
    }