@media only screen and (min-width:320px) and (max-width:460px){.tieudiem{padding-left: 10px}.desktop{display:none}.mobile{display:block}.t_right_footer ul{padding-top:20px}}@media only screen and (min-width:460px) and (max-width:720px){.tieudiem{padding-left: 10px}.desktop{display:none}.mobile{display:block}.t_right_footer ul{padding-top:20px}}@media only screen and (min-width:720px) and (max-width:1024px){.tieudiem{padding-left: 10px}.desktop{display:none}.mobile{display:block}.t_right_footer ul{padding-top:20px}}.t_social_menu_header{display:table;text-align:center;margin:0 auto}.t_social_menu_header li,.t_social_menu_header li a{float:left;height:30px;width:30px;border-bottom:0}.t_social_menu_header li{margin:0 15px}