.single_content h2 {
    border-top-color: #0d2c62;
    border-top: 2px solid #666;
    border-bottom: 1px solid #efefef;
    padding: 12px 12px 9px;
    font-weight: lighter;
    font-size: 150%;
    margin: 12px 0px;
}
.single_content h3 {
    background-color: #f2f2f2;
    margin: 40px 0 24px;
    padding: 8px 12px;
    font-weight: nomal;
    font-size: 18px;
}
.single_content h4 {
    margin: 40px 0 24px;
    padding: 8px 12px;
    font-size: 18px;
    font-weight: nomal;
}
.single_content h4:before {
    font-family: "Font Awesome 5 Free";
    content: "\f00c";
    color: #ff5a83; 
 }