.scrollspy-example {
    position: relative;
    height: 700px;
    overflow: auto;
}

.list-group-item.active {
    background-color: #e3f2fd !important;
    color:black !important;
}

footer {
display:flex;
justify-content:center;
   align-items:center;  

}

.fieldset{
    border-color:black;
}