How to remove form section

<div class="form-section">
                            <div class="form-row">
                                <div class="form-field">
                                    <label class="form-field__label" for="searchField">Postcode</label>
                                    <div class="postcode__input">
                                        <div class="form-field__input">
                                            <apex:inputField id="searchField" value="{!Account.Postcode_Hidden__c}" required="true"/>
                                        </div>
                                        <input id="searchButton" class="form-button form-button--primary" type="button"
                                               onclick="findByPostcode()" value="Find" />
                                    </div>
                                    <div id="selectDropdownDiv" class="selectDropdownDiv">
                                        <label class="form-field__label" for="addressListSelect">Please select your address</label>
                                        <select id="addressListSelect" class="addressListSelect"></select>
                                    </div>
                                    <div class="errorDateMsg" id="errorAddrMsg" style="display: none">Please type the postcode and select your address</div>
                                    <div id="form-address" class="form-address">
                                        <output id="output-address1"></output>
                                        <output id="output-town"></output>
                                        <output id="output-postcode"></output>
                                    </div>
                                    <div id="form-address-apex" class="form-address-apex">
                                        <apex:inputField id="form__address_1" required="true" value="{!Account.BillingStreet}"/>
                                        <apex:inputField id="form__city" value="{!Account.BillingCity}"/>
                                        <apex:inputField id="postcode__box" value="{!Account.BillingPostalCode}"/>
                                    </div>
                                </div>
                            </div>
                        </div>