#world{background-size:cover;background-color:#0d2a5a}#world .container{height:100%}@media (max-width:991px){#world .col-1{display:none}#world .col-2{display:block;width:100%}}@media(min-width:1200px){#world .button-h{height:40px}}#world .blue-button{line-height:1;}#world .txt-btn{margin:5px auto}