#contactsmenu {
 	display: none;
}
#section development-notice {
        display:none;
}
#About & What's new {
        display:none;
}
#settings-section_help-apps {
       display:none;
}

#footer {
    visibility: hidden;
}
#help {
display:none;}
#settings-section_help-apps {
          display:none;
}
#contacts {
display:none;}
#social-button {
      display:none;
}
#data-v-77dd0767 {display:none}

#accessibility_settings {
display:none;}

#list-item-content__name {
display:none;}

#firstrunwizard_about { display:none;
}
/* Target specific app icons */
#appmenu .icon-files { /* Files icon */
    color: #ff5733;
}
./occ preview:generate-all -vvv

Important