.contenedor {
                
    box-sizing:                 border-box;
    margin:                     15px auto;
    max-width:                  1440px;
    min-height:                 400px;
    width:                      100%;
    
}
.elemento {
    
    background:                 #fff;
    box-shadow:                 inset 0px 0px 0px 2px #f0f0f0;
    box-sizing:                 border-box;
    color:                      black;
    cursor:                     pointer;
    display:                    block;
    margin:                     1em;
    padding:                    1em;
    text-decoration:            none;
    width:                      40%;
    
}
.elemento p {
    
    box-sizing:                 border-box;
    font-family:                'Roboto' , sans-serif;
    font-weight:                500;
    font-size:                  14px;
    padding:                    .25em;
    text-align:                 center;
    
}
.elemento img {
    
    display:                    block;
    width:                      100%;
    
}
@media only screen and ( min-width: 600px ){
    
    .elemento {
    
        width:                  31%;
        
    }
    
}
@media only screen and ( min-width: 1200px ){
    
    .elemento {
    
        width:                  17%;
        
    }
    
}