.header_section{z-index:9;padding:30px 0;filter:drop-shadow(0px 4px 4px rgba(0,0,0,0.25));position:relative}.logo_sec img{max-width:250px;width:100%}@media all and (max-width:991px){.logo_sec img{max-width:150px;width:100%}.header_section{padding:20px 0}}