* {
    box-sizing: border-box
}

body {
    font-family: Arial, Helvetica, sans-serif
}

.box-02 {
    color: red
}

.box-03 {
    color: rgb(0, 255, 0)
}

.box-04 {
    color: #0000FF;
    font-weight: bold
}

.box-05 {
    size: 18px
}

.box-06 {
    size: 24px;
    font-style: italic
}

.box-07 {
    color: white;
    background-color: brown
}

.paragraph-01 {
    line-height: 32px;
    text-align: center
}

.paragraph-02 {
    text-align: justify;
    text-transform: uppercase
}

.box-08 {
    width: 400px;
    height: 300px;
    border: 1px solid purple;
    padding: 30px
}

.box-09 {
    width: 500px;
    height: 200px;
    background-color: red;
    margin: 100px
}

.box-10 {
    visibility: hidden
}

.box-11 {
    width: 100%;
    height: 150px;
    background-color: blue;
    padding: 50px;
    border: 10px solid yellow
}

.box-12 {
    visibility: hidden
}

.box-13 {
    height: 200px;
    width: 500px;
    background-color: green;
    opacity: 0.5
}

.box-14 {
    height: 400px;
    width: 300px;
    position: relative;
    background-color: lightblue
}

.box-15 {
    height: 50px;
    width: 50px;
    position: absolute;
    top: 50px;
    right: 10px;
    background-color: pink
}

.button-01 {
    width: 300px;
    height: 100px;
}

.button-01:active {
    color: blue
}

.button-02 {
    width: 200px;
    height: 50px
}

.button-02:hover {
    background-color: brown
}

.box-16 {
    height: 200px;
    width: 500px;
    background-color: cadetblue;
    margin-top: 200px;
    cursor: pointer
}