.happy {
     width: 25%;
     height: auto;
 }

 .main_flex {
     background-color: #F0F0F0;
 }

 @media screen and (min-width:1601px) {
     .whychooseus1 {
         width: 120px;
         height: auto;
     }
     .google {
         width: 140px;
         height: auto;
     }
     .itinerary_div_inner {
         height: 450px;
         opacity: 0.7;
     }
     .main_heading1 {
         font-size: 4rem;
     }
 }

 @media screen and (max-width:1600px) {
     .whychooseus1 {
         width: 80px;
         height: auto;
     }
     .google {
         width: 100px;
         height: auto;
     }
     .happy_small {
         width: 60px;
         height: auto;
     }
     .whychooseus2 {
         width: 60px;
         height: auto;
     }
     .itinerary_div_inner {
         height: 370px;
         opacity: 0.7;
     }
     .main_heading1 {
         font-size: 3.5rem;
     }
 }

 @media screen and (max-width:1000px) {
     .whychooseus1 {
         width: 100px;
         height: auto;
     }
     .google {
         width: 120px;
         height: auto;
     }
     .happy_small {
         width: 80px;
         height: auto;
     }
     .whychooseus2 {
         width: 80px;
         height: auto;
     }
 }

 @media screen and (max-width:600px) {
     .whychooseus2 {
         width: 60px;
         height: auto;
     }
     .happy_small {
         width: 60px;
         height: auto;
     }
     .google {
         width: 80px;
         height: auto;
     }
     .itinerary_div_inner {
         height: 350px;
         opacity: 0.7;
     }
     .main_heading1 {
         font-size: 40px;
     }
 }