* {
    box-sizing: border-box;
}

body {
    margin: 0px;
    background-color: black;
}

.amarillo{
    background-color: yellow;
    height: 70px;
}
.azul{
    background-color: blue;
    height: 70px;
}
.beige{
    background-color: beige;

    height: 400px;
}
.verde{
    background-color: green;
    height: 200px;
}
.verdeclaro{
    background-color: lightgreen;
    height: 200px;
}
.morado{
    background-color: blueviolet;
    height: 200px;
}
.cafe{
    background-color: maroon;
    height: 200px;
}
.azulclaro{
    background-color: aqua;
    
    height: 200px;
}
.rojo{
    background-color: red;
    height: 200px;
}
.rosa{
    background-color: rosybrown;
    height: 200px;
}
.caja1{
    background-color: aqua;
    height: 200px;
}
.caja2{
    background-color: rgb(141, 86, 141);
    height: 200px;
}
.caja3{
    background-color: rgb(236, 62, 100);
    height: 200px;
}
.caja4{
    background-color: rgb(120, 192, 38);
    height: 200px;
}
.caja5{
    background-color: rgb(226, 47, 137);
    height: 200px;
}