.bd-clipboard {
    float:right;
    top:0;
    right:0;
    display: block;
    margin-left:4px;
}

.btn-clipboard {
    z-index: 10;
    display: block;
    padding: .25rem .5rem;
    font-size: .65em;
    color: #0d6efd;
    background-color: #fff;
    border: 1px solid;
    border-radius: .25rem;
}
    .btn-clipboard:hover {
        background-color:yellowgreen;
        color:#fff;
        border-color:yellowgreen;
    }