Magento - Custom layout in magneto like 1column

Follow the following steps :

Step 1.  add
app/etc/modules/Easylife_Layout.xml

<?xml version="1.0"?>
<config>
    <modules>
        <Easylife_Layout>
            <active>true</active>
            <codePool>local</codePool>
            <depends>
                <Mage_Page />
            </depends>
        </Easylife_Layout>
    </modules>
</config>

Step 2.  add
app/code/local/Easylife/Layout/etc/config.xml

<?xml version="1.0"?>
<config>
    <modules>
        <Easylife_Layout>
            <version>0.0.1</version>
        </Easylife_Layout>
    </modules>
    <global>
        <page>
            <layouts>
                <lookbook module="page" translate="label">
                    <label>Lookbook</label>
                    <template>page/1column-lookbook.phtml</template>
                    <layout_handle>lookbook</layout_handle>
                </lookbook>
            </layouts>
        </page>
    </global>
    <frontend>
        <layout>
            <updates>
                <easylife_layout>
                    <file>easylife_layout.xml</file>
                </easylife_layout>
            </updates>
        </layout>
    </frontend>
</config>
Step 3.  add
app/design/frontend/{interface}/{theme}/layout/easylife_layout.xml

<?xml version="1.0"?>
<layout>
    <lookbook translate="label">
        <label>Lookbook</label>
        <reference name="root">
            <action method="setTemplate"><template>page/1column-lookbook.phtml</template></action>
            <action method="setIsHandle"><applied>1</applied></action>
        </reference>
    </lookbook>
</layout>