网页制作通用css

基础样式重置

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

排版优化

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
}

p {
  margin-bottom: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #2563eb;
}

响应式布局

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 2rem;
  }
}

常用工具类

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.text-center {
  text-align: center;
}

.hidden {
  display: none;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

表单元素样式

input, textarea, select {
  border: 1px solid #e5e7eb;
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
  width: 100%;
  transition: border-color 0.2s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #2563eb;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 0.375rem;
  padding: 0.5rem 1rem;
  background-color: #2563eb;
  color: white;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #1d4ed8;
}

颜色变量

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --white: #ffffff;
  --black: #000000;
}

动画效果

.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.slide-up {
  animation: slideUp 0.3s ease forwards;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}