Ultimate CSS Masterclass (Part 2: Examples)

1. Basic CSS Examples

1.1 Inline CSS

<p style="color:red; font-size:20px;">This is inline styled text.</p>

1.2 Internal CSS

<head>
    <style>
        p {
            color: blue;
            font-size: 18px;
            font-family: Arial, sans-serif;
        }
    </style>
</head>
<body>
    <p>This is a paragraph with internal CSS styling.</p>
</body>

1.3 External CSS

styles.css

body {
    background-color: lightyellow;
}
h1 {
    color: darkgreen;
    text-align: center;
}

index.html

<link rel="stylesheet" href="styles.css">
<h1>Welcome to My Website</h1>

2. Selectors Examples

2.1 Element Selector

p {
    color: purple;
}

2.2 Class Selector

.highlight {
    background-color: yellow;
    font-weight: bold;
}

<p class="highlight">Highlighted paragraph</p>

2.3 ID Selector

#main {
    border: 2px solid black;
    padding: 10px;
}

<div id="main">Content inside ID container</div>

2.4 Descendant Selector

div p {
    color: green;
}

2.5 Child Selector

div > p {
    font-size: 18px;
}

2.6 Pseudo-classes

a:hover {
    color: red;
}
p:first-child {
    font-weight: bold;
}

3. Colors and Fonts Examples

body {
    background-color: #f0f0f0;
    color: #333;
    font-family: "Arial", sans-serif;
}

h1 {
    color: rgb(0, 128, 255);
}

p {
    color: rgba(255, 0, 0, 0.7);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 1px;
    text-align: justify;
}

4. Box Model Examples

div {
    width: 200px;
    height: 100px;
    padding: 10px;
    border: 3px solid black;
    margin: 20px;
    box-sizing: border-box;
}

5. Background and Border Examples

div {
    background-color: lightblue;
    background-image: url('bg.jpg');
    background-size: cover;
    background-position: center;
    border: 2px solid #333;
    border-radius: 10px;
    padding: 20px;
}

6. Layout Examples

6.1 Display

span {
    display: inline;
}
div {
    display: block;
}
div.inline-block {
    display: inline-block;
    width: 150px;
    height: 100px;
    border: 1px solid black;
}

6.2 Position

.relative {
    position: relative;
    top: 10px;
    left: 20px;
}

.absolute {
    position: absolute;
    top: 50px;
    left: 100px;
}

.fixed {
    position: fixed;
    bottom: 0;
    right: 0;
    background-color: red;
    color: white;
    padding: 10px;
}

6.3 Flexbox

.container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 150px;
    background-color: lightgray;
}

.box {
    width: 50px;
    height: 50px;
    background-color: blue;
}

<div class="container">
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
</div>

6.4 Grid

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 10px;
}

.grid-item {
    background-color: coral;
    padding: 20px;
    text-align: center;
}

<div class="grid-container">
    <div class="grid-item">1</div>
    <div class="grid-item">2</div>
    <div class="grid-item">3</div>
    <div class="grid-item">4</div>
    <div class="grid-item">5</div>
    <div class="grid-item">6</div>
</div>

7. Lists and Navigation Examples

ul {
    list-style-type: none;
    padding: 0;
}

ul li {
    display: inline-block;
    margin-right: 20px;
}

ul li a {
    text-decoration: none;
    color: darkblue;
}

ul li a:hover {
    color: red;
}

<ul>
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a></li>
    <li><a href="#">Services</a></li>
    <li><a href="#">Contact</a></li>
</ul>

8. Forms Styling Examples

input, select, textarea {
    padding: 10px;
    margin: 5px 0;
    border-radius: 5px;
    border: 1px solid gray;
}

input:focus, textarea:focus {
    border-color: blue;
    outline: none;
}

button {
    background-color: green;
    color: white;
    padding: 10px 20px;
    cursor: pointer;
}

button:hover {
    background-color: darkgreen;
}

9. Pseudo-elements and Transitions Examples

p::first-letter {
    font-size: 2em;
    color: red;
}

a::after {
    content: " →";
}

button {
    background-color: blue;
    transition: background-color 0.5s ease, transform 0.3s;
}

button:hover {
    background-color: orange;
    transform: scale(1.1);
}

10. Animations Examples

@keyframes move {
    0% { transform: translateX(0); }
    50% { transform: translateX(100px); }
    100% { transform: translateX(0); }
}

.box {
    width: 50px;
    height: 50px;
    background-color: red;
    animation: move 2s infinite;
}

11. Media Queries and Responsive Design

body {
    background-color: white;
}

@media (max-width: 768px) {
    body {
        background-color: lightgray;
    }
    nav ul li {
        display: block;
        margin-bottom: 10px;
    }
}

12. Advanced CSS Examples

12.1 CSS Variables

:root {
    --main-color: #3498db;
}

h1 {
    color: var(--main-color);
}

12.2 Clip-path

img {
    clip-path: circle(50%);
}

12.3 Filter

img {
    filter: grayscale(100%);
}

12.4 Custom Fonts

@font-face {
    font-family: "MyFont";
    src: url("MyFont.ttf");
}

p {
    font-family: "MyFont", sans-serif;
}