.catalog { width:50%; 
       border:1px solid;
       background-color:white;
       color:black;
       margin-left:25%;
       margin-right:25%;
       margin-top:5%;
       display: inline-block;

}

.select { width:99.9%; 
          height:22px;
          text-align:center;
       border:1px solid;
       background-color:white;
       color:black;
       margin-left:auto;
       margin-right:auto;
       display: inline-block;

}


#opt {text-decoration:none; 
     color:black;
     margin-right:5px;
     margin-left:5px;
     
}
     
#opt:hover {text-decoration:underline;}



#item1 { border:1px solid;
            border-color:black;
            margin-left:10px;
            margin-right:10px;
            width:11.1%;
            height:11.1%;
            margin-top:20px;
            margin-bottom:20px;
    }