body {
 background-color: darkblue;
}

.stuffbox {
width: 500px;
    display: grid;
             grid-template-columns: 1fr 1fr 1fr;
}

.stuff {
    display: flex;
    border: 1px solid black;
    justify-content: center;
    align-items: center;
    width: 150px;
    height: 150px;
}

div {
    width: 100px;
    height: 100;
    border-radius: 20px;
    text-align: center;
    line-height: 100px;
    font-size: 60px;
margin: 10px;
}
.foot {
   bottom : 1em;
   height : 5px;
   position: absolute;
   width: 100%;
}

@media screen and (max-width: 500px) {
 body {     background-color: blue;
 }
 .name {
    font-size: 50px;
    text-align: center;
 }

 .stuff {
width: 100px;
height: 100px;
 }

 div { 
    font-size: 30px;
 }

.foot {
   bottom : 1em;
   height : 10px;
   margin-top : 5px;
   text-align: center;
   vertical-align: middle;
   position: absolute;
   width:100%;
}

 .stuffbox {
    display: grid;
             grid-template-columns:  1fr 1fr;
                 grid-template-rows: 1fr 1fr;
 }
}
@media screen and (min-width: 900px){
 body {
     background-color: lightblue;

 }
 div {
    font-size: 60px;
 }
 
 .stuff {
width: 200px;
height: 200px;
      }
    
.foot {
   bottom : 1em;
   height : 5px;
   margin-top : 40px;
   position: absolute;
   width:100%;
   font-size: 50px;
}
}