* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: rgb(255, 255, 255);
}

.caja1 {
    background-color: rgb(9, 255, 0) ;
    border: 2px solid black;
    height: 200px;
}

.caja2 {
    background-color: rgb(0, 195, 255) ;
    border: 2px solid black;
    height: 200px;
}

.caja3 {
    background-color: rgb(9, 255, 0) ;
    border: 2px solid black;
    height: 200px;
}

.caja4 {
    background-color: rgb(0, 195, 255) ;
    border: 2px solid black;
    height: 200px;
}

.caja5 {
    background-color: rgb(9, 255, 0) ;
    border: 2px solid black;
    height: 200px;
}

.caja6 {
    background-color: rgb(0, 195, 255) ;
    border: 2px solid black;
    height: 200px;
}

.caja7 {
    background-color: rgb(9, 255, 0) ;
    border: 2px solid black;
    height: 200px;
}
.caja8 { 
    background-color: rgb(0, 195, 255) ;
    border: 2px solid black;
    height: 200px;
}

.caja9 {
    background-color: rgb(9, 255, 0) ;
    border: 2px solid black;
    height: 200px;
}

.caja10 {
    background-color: rgb(0, 195, 255) ;
    border: 2px solid black;
    height: 200px;
}

@media (min-width: 992px) and (max-width: 1199px) {
    .caja1, .caja3, .caja5, .caja7, .caja9 {
       
        background-color: blueviolet;
    }
}

@media (min-width: 1200px) and (max-width: 1399px) {
    .caja1, .caja3, .caja5, .caja7, .caja9 {
       
        background-color: blueviolet;
    }
}