.block-suspend-buttons {
    margin: 20px 0;
}

.block-suspend-buttons button {
    padding: 6px 12px;
    margin-right: 10px;
    cursor: pointer;
}

/* Using btn btn-secondary classes as requested */
.block-user-btn, .suspend-user-btn, .unblock-user-btn, .unsuspend-user-btn {
    /* These buttons will use the btn btn-secondary classes from your theme */
}

.block-suspend-message {
    margin-top: 10px;
    padding: 10px;
    display: none;
}