* {
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
}
.box-02 {
    color: crimson;
}
.box-03 {
    color: rgb(59, 243, 129);
}
.box-04 {
    color: rgb(59, 47, 230);
}
.box-05 {
    font-size: 18px;
}
.box-06 {
    font-size: 24px;
    font-style: italic;
}
.box-07 {
    color: white;
    background-color: brown;
}
.paragraph-01 {
    text-align: center;
    line-height: 32px;
}
.paragraph-02 {
    text-align: justify;
    text-transform: uppercase;
}
.box-08 {
    width: 400px;
    height: 300px;
    border-width: 1px;
    border-style: solid;
    border-color: purple;
    padding: 30px;
}
.box-09 {
    width: 500px;
    height: 200px;
    background-color: firebrick;
    margin: 100px;
}
.box-10 {
    display: none;
}
.box-11 {
    visibility: hidden;
}
.box-12 {
    width: 100%;
    height: 150px;
    background-color: darkslategray;
    opacity: 0.5;
    color: white;
}
.box-13 {
    width: 400px;
    height: 300px;
    position: relative;
    background-color: lightblue;
}
.box-14 {
    width: 100px;
    height: 100px;
    position: absolute;
    top: 50px;
    right: 10px;
    background-color: pink;
}
.button-01 {
    width: 300px;
    height: 100px;
}
.button-01:active {
    color: aqua;
}
.button-02 {
    width: 200px;
    height: 50px;
}
.button-02:hover {
    background-color: brown;
}
.box-15 {
    margin-top: 200px;
    width: 200px;
    height: 500px;
    background-color: cadetblue;
    cursor: pointer;
}