.menu {
   display: flex;
  justify-content: center;  
  align-items: center;     
  height: 80vh;            
  gap:50px
  }
.box {
   width: 300px; 
   height: 300px; 
   border-radius: 50px;
   display: flex;            
   justify-content: center;  
   align-items: center;      
   text-align: center;      
   padding: 20px;            
}
.greay {background:#666}
.green {background:#060}
a {
   font-size: 18px; 
   color: #fff; 
   text-decoration: none; 
   display: block; 
   width: 100%; 
   height: 100%; 
   display: flex;           
   justify-content: center; 
   align-items: center;     
   border-radius: 50px;    
}
.logo {text-align:center; padding:10vh 0 0 0}