.block-guide-main-banner{display:inline-block;margin:40px 0;position:relative;width:100%}.block-guide-main-banner:before{content:"";display:block;padding-top:62.5%}@media (max-width:1279.98px){.block-guide-main-banner{margin:0 0 40px}}@media (max-width:767.98px){.block-guide-main-banner{margin:0 0 8px}}