@import url('normalize.css');
@import url('main.css');
@import url('2nd.css');
@import url('3rd.css');
@import url('4rd.css');
@import url('5rd.css');
@import url('6rd.css');
@import url('bootstrap.css');
@import url('secondpage.css');
@import url('guide.css');
@import url('smartphone.css') only screen
and (max-width: 720px);
@import url('smartphone2.css') only screen
and (max-width: 720px);
@import url('smartphone3.css') only screen
and (max-width: 720px);