It alter the theme design

see https://imgur.com/a/s7eTya5

Following css (floate left) alter the layout of themes(twentyseventeen, bootstrap themes ect) use HTML5 structure in tabs, phones devices (width < 780px). Please correct the issue in future versions.

wp-hotel-booking/assets/css/hotel-booking.min.css :- (max-width: 780px)

#main, #sidebar {
width: 100%;
float: left;
clear: both;
}