reset.css

/* 全局样式重置 */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  vertical-align: baseline;
  background: transparent;
  box-sizing: border-box;
}

/* 基本字体和布局设置 */
body {
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #333;
}

/* 列表和引用重置 */
ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote::before, blockquote::after,
q::before, q::after {
  content: none;
}

/* 表格样式重置 */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* 表单元素样式重置 */
input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  appearance: none;
  border: 1px solid #ccc;
  padding: 0.4em 0.6em;
}

/* 超链接样式设置 */
a {
  color: #0066cc;
  text-decoration: none;
}

a:hover, a:active {
  text-decoration: underline;
}

/* HTML5 元素显示为块级元素 */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}

/* 图片和嵌入内容响应式设置 */
img, embed, object, video {
  max-width: 100%;
  height: auto;
}

/* 表单按钮样式 */
button, input[type="submit"], input[type="reset"] {
  cursor: pointer;
  background-color: #f8f8f8;
  border: 1px solid #ccc;
}

/* 禁用状态样式 */
button[disabled], input[disabled] {
  cursor: default;
  opacity: 0.5;
}