* {
    font-family: 'Quicksand', sans-serif;
    box-sizing: border-box;
}
.paragraph-01 {
    color: red;
}
.paragraph-02 {
    color: rgb(0,100,0);
}
.paragraph-03 {
    color: #B0E0E6;
    font-weight: bold;
}
.paragraph-04 {
    font-size: 18px;
}
.paragraph-05 {
    font-size: 24px;
    font-style: italic;
}
.paragraph-06 {
    color: white;
    background: rgb(139,69,19);
}
.paragraph-07 {
    text-align: center;
    line-height: 32px;
}
.paragraph-08 {
    text-align: justify;
    text-transform: uppercase;
}
.box-01 {
    width: 400px; 
    height: 300px;
    border: 1px solid purple;
    padding: 30px;
}
.box-02 {
    width: 500px;
    height: 200px;
    background: #8B0000;
    margin: 100px;
}
.invisible-paragraph {
    display: none;
}
.box-03 {
    width: 100%;
    height: 150px;
    background: #87CEFA;
    padding: 50px;
    border: 10px solid lemonchiffon;
}
.invisible-box {
    visibility: hidden;
}
.box-04 {
    width: 200px;
    height: 500px;
    background: rgb(46,139,87);
    opacity: 0.5;
}
.box-05 {
    width: 400px;
    height: 300px;
    position: relative;
    background: lightblue;
}
.box-06 {
    width: 50px;
    height: 50px;
    position: absolute;
    top: 50px;
    right: 10px;
    background: rgb(255,192,203);
}
.button-01 {
    width: 300px;
    height: 100px;
}
.button-01:active {
    color: blue;
}
.button-02 {
    width: 200px;
    height: 50px;
}
.button-02:hover {
    background-color: #CD853F;
}
.box-07 {
    width: 200px;
    height: 500px;
    background-color: #B0E0E6;
    margin-top: 200px;
    cursor: pointer;
}