CSS Examples

Simple CSS examples:

  1. Changing text color:

body {
  color: red;
}
  1. Changing background color:

body {
  background-color: yellow;
}
  1. Adding a border:

img {
  border: 2px solid black;
}
  1. Changing font size:

h1 {
  font-size: 36px;
}
  1. Aligning text:

p {
  text-align: center;
}
  1. Adding padding:

div {
  padding: 20px;
}

Complicated CSS examples

CSS can be used to create complex layouts, animations, and interactions.

  1. Creating a responsive navigation bar with dropdown menus:

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #333;
  color: #fff;
}

.nav-link {
  color: #fff;
  padding: 10px;
  text-decoration: none;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  z-index: 1;
}

.dropdown:hover .dropdown-content {
  display: block;
}

@media screen and (max-width: 768px) {
  .navbar {
    flex-direction: column;
  }

  .dropdown {
    display: block;
  }

  .dropdown-content {
    position: static;
    display: none;
  }
}
  1. Creating a responsive grid layout with CSS Grid:

.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  grid-gap: 20px;
}

.card {
  background-color: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  padding: 20px;
}

@media screen and (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
  }
}
  1. Creating a complex animation with keyframes:

@keyframes spin {
  from {
    transform: rotate(0);
  }
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  border-top: 4px solid #3498db;
  border-right: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 4px solid transparent;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

These examples demonstrate how to change the style for a section on a web page. Please note that each section has a unique ID, and it's important to use the correct ID when applying the style changes. Make sure to double-check the ID before modifying the code to ensure that the changes are applied to the intended section.

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