.page_giayphep_chungnhan{

}
.title-section{
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;   
}
.title-section::after{
    content: "";
    max-width: 105px;
    width: 100%;
    height: 4px;
    background-color: #c4c4c4;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}
.title-section .section_title{
    color: #c1162a;

}