body {
  background-color: rgba(0, 0, 0, 0.05);
 
}

.card-header {
    background: none;
    border: none;
}


.custom-underline {
    border-bottom: 2px solid gray; 
    margin: 0 auto; 
    width: 50px; 
    margin-top: 10px; 
}


 .custom-title {
    color: blue;
} 


.card {
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);


}