html[lang=zh-HK] br.small-hide {display: none!important}
html[lang=zh-HK] br.small-show {display: block!important}

@media only screen and (min-width: 736px) {
html[lang=zh-HK] br.medium-hide {display: none!important}
html[lang=zh-HK] br.medium-show {display: block!important}}

@media only screen and (min-width: 1069px) {
html[lang=zh-HK] br.large-hide {display: none!important}
html[lang=zh-HK] br.large-show {display: block!important}}

@media only screen and (min-width: 1442px) {
html[lang=zh-HK] br.xlarge-hide {display: none!important}
html[lang=zh-HK] br.xlarge-show {display: block!important}}