* {box-sizing:border-box; }

.column{
        float: left;
        width: 50%;
	border: 4px;
       }  


.row::after{
         content: "";
         clear: both;
         display: table;
        }

h1 {color:blue; 
    text-align:center; 
    margin-left:auto; 
    font-size: 50px;
    margin-right:auto;}


#TopNav {position:relative; 
         center:200px;  
         font-size: large;
         padding:40px;
         border:1px;}

#frogPic {position:relative;
          left: 30px;
	  border: 4px solid #73AD21;
         }

#housePic {position:relative;
           left: 450px;
           border: 4px solid #73AD21;
          }
#Footer {clear:left;}

#choose {table-layout: fixed;
         background:lightgreen;
         position:relative;
         top:50px;
         left:10px;
         height: 50px;
         width: 400px;
        }

body {background: white;}

#buttons {position:relative;
          top : 150px;
          text-align: center;}

#Footer {position:relative;
         top:200px;
         left:10px;
        }