header{
    position: relative;
    font-size: 50px;
    font-weight: 600;
    color: #333;
    padding-bottom: 2%;
    font-family: serif;
    
 }
 header::before{
    
    content: "";
    position: absolute;
    left: 1%;
    bottom: -2px;
    height: 5px;
    width: 10%;
    border-radius: 8px;
    background-color:  #4070f4;
    margin-bottom: 2%;
}
.panel-heading
{
    background-color:antiquewhite;
}