.block_1{
    font-family: "Open Sans", sans-serif;
    font-size: 20px;
    font-weight: 300;
    line-height: 30px;   
    font-style: italic 
}

.block_2{
    text-decoration: line-through;    
}

.block_3{
    text-align: center;
    text-transform: uppercase;
}

.block_4{
    text-decoration-line: overline;
    text-decoration-style: wavy;
    color:blueviolet;
    font-style: normal;
    word-spacing: 30px;

}

.block_5{
    letter-spacing: 5px;
    text-decoration: underline double;
}

.block_6{
    text-shadow: 2px 3px 5px #6dec0b;
}