.imp_block {
    color: black;
    box-shadow: 3px 3px 3px #333333;
    background: indent;
    background-size: 100%;
    background-position: left;
    border: 1px solid #CBCBCC;
    padding: 5px;
    border-radius: 3px;
    margin: 20px 0px;
    transition: .5s;
}
 .seoBlock p{margin-top: 10px;margin-bottom: 10px;line-height: 170%;text-align: justify;}