.about-para > p:nth-child(1) {
    font-size: 20px;
}

.about-para > p:not(:nth-child(1)) {
    font-size: 15px
}

.about-para > p a{
    /*font-size: 14px !important*/
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: bold
}

/*div > p.about-para:not(:nth-child(1)) {*/

/*}*/