.block-1 {
    font-family: 'Open Sans', sans-serif;
    font-size: 20px;
    height: 30px;

}

.block-2 {
    text-decoration: line-through;
}

.block-3 {
    text-align: center;
    font-size: 25px;
    font-style: inherit;
}


.block-4 {
    text-decoration: overline;
    text-decoration-style: wavy;
    color: rgb(54, 2, 103);
    word-spacing: 30px;
    text-shadow: 0px 0px 1px;
}

.block-5 {
    letter-spacing: 5px;
    text-decoration: dashed;
    text-decoration: underline;
    text-decoration-thickness: 4px;
}