.nav-pills .nav-link.active, .nav-pills .show > .nav-link{
    background-color: gray;
}
.nav-pills .nav-link{
    background-color: #de3043;
    color: white;
    margin-top: 6px;
    margin-bottom: 6px;
    font-weight:bold;
    font-size: 12px;
    border-radius: 20px 20px 20px 20px;
    width: 15%;
    margin: 0.5rem 0.5rem;
    text-align: center;
  
}
.nav-tabs .nav-link:hover{
    background-color: gray;
}
@media only screen and (min-width: 10px) and (max-width: 575px){
    .nav-pills .nav-link{
        width: 30%;
        margin: 0.2rem;
    }

}