<style>
div.theme-default .ia-splitter #main {
    margin-left: 0px;
}
.ia-fixed-sidebar, .ia-splitter-left {
    display: none;
}
#main {
    padding-left: 10px;
    padding-right: 10px;
    overflow-x: hidden;
}

.aui-header-primary .aui-nav,  .aui-page-panel {
    margin-left: 0px !important;
}
.aui-header-primary .aui-nav {
    margin-left: 0px !important;
}
</style>