Intro to CSS

index.css

label {
    background-color: yellow;
}
body {
    background-image: url(https://goo.gl/4yCwzn);
    background-size: cover;
}
.title {
    display: block;
    font-size: 72px;
    text-align: center;
    border: 5px solid #000;
    padding: 50px 10%;
    margin: 50px 0;
    transition: 0.1s;
}
.topTitle1 {
    color: #dd23f1;
    background-color: gold;
}
.topTitle2 {
    color: green;
    background-color: red;
}
.topTitle3 {
    color: black;
    background-color: transparent;
}
.title:hover {
    background-color: transparent;
    color: blue;
    box-shadow: 5px 5px 50px green;
    font-size: 12px;
    margin-top: 100px;
}