h1 { color: #007bff; }

p { margin-top: 20px; margin-bottom: 0; }
@media (max-width: 576px) { 
    p { margin-bottom: 20px; }
 }

.sen-btn {
    min-width: 300px;
    margin-top: 30px;
}
@media (max-width: 576px) { 
    .sen-btn {
        min-width: auto;
    }
    .sen-btn a {
        min-width: auto;
    }
}
.sen-btn .btn-light {
    background-color: #eee;
}

.sen-btn .btn small,
.sen-btn .btn span {
    display: block;
}
.sen-btn .btn span.id {
    font-size: 0.7em;
    color: #888;
}

.d-sm-block .sen-btn .btn {
    min-width: 195px;
}
.d-sm-block .sen-btn .btn.double { min-width: 390px; }

.container { padding-bottom: 30px; }

.sen-btn .btn-light:hover {
    background-color: #007bff;
    color: white;
}
.sen-btn .btn-light:hover span.id {
    color: white;
}