converse.js/sass/_modal.scss

#conversejs {
    #converse-modals {
        .set-xmpp-status {
            margin: 1em;
            .custom-control-label {
                margin-top: 0.25em;
            }
        }

        #omemo-tabpanel {
            margin-top: 1em;
        }

        .btn {
            font-weight: normal;
        }

        #user-profile-modal {
            .profile-form {
                label {
                    font-weight: bold;
                }
            }
            .fingerprint-removal {
                label {
                    display: flex;
                    padding: 0.75rem 1.25rem;
                }
            }

            .list-group-item {
                display: flex;
                justify-content: left;
                font-size: 95%;

                input[type="checkbox"] {
                    margin-right: 1em;
                }
            }
        }

        .fingerprints {
            width: 100%;
            margin-bottom: 1em;
        }
        
        .fingerprint-trust {
            display: flex;
            justify-content: space-between;
            font-size: 95%;
            .fingerprint {
                margin-left: 1em;
            }
        }
    }
}