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

html{
    font-size: 62.5%;
}

body{
    background-color: #2c3043;
}


.red{
    background-color: #fc6057;
}
.orange{
    background-color: #fd825c;
}
.yellow{
    background-color: #fda061;
}

.green{
    background-color: #01a787;

}
.sea-green{
    background-color: #1bc1a1;
}

.light-green{
    background-color: #34daba;
}

.parent{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    height: 70vh;
    margin: 100px 150px;

}

.children{
    border: 1px solid black;
    /* height: 50px; */
}

#box1{
    grid-column: 1/4;
}
#box2{
    grid-row: 2/4;
}

#box3{
    grid-column: 2/4;
}

@media( max-width: 1000px){
    .parent{
        margin: 50px 50px  ;
        grid-template-columns:  1fr;
    }
    #box1,#box2, #box3{
        grid-row: auto;
        grid-column: auto;
    }
   
}