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

body {
    background-color: #f4f4f4;
}

:root {
    --caja-1: #f7cb44;
    --caja-2: #a02969;
}

.caja1 {
    background-color: var(--caja-1);
    height: 25vh;
    border:#000000 solid 2px;
}

.caja2 {
    background-color: var(--caja-2);
    height: 25vh;
    border:#000000 solid 2px;
}