@import url('https://fonts.googleapis.com/css?family=Spectral&display=swap');
@import url('https://fonts.googleapis.com/css?family=Roboto&display=swap');

html {
    box-sizing: border-box;
}

* {
    /* border: 1px solid black; */
    margin: 0;
    padding: 0;
}

body, input, button {
    font-size: 20px;
}

main {
    max-width: 1000px;

    margin: 10px auto;
}

h1, h2, h3, h4 {
    font-family: Spectral, Arial, Helvetica, sans-serif;
}

p {
    font-family: Roboto, Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    text-align: justify;
    margin: 5px;
}

code {
    background-color: lightsteelblue;
}

li {
    margin-left: 10%;
}

.container-flex-column, .container-flex-row {
    margin: 15px;

    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;

    border: 5px solid hotpink;
    border-radius: 5px;
}

.container-flex-row {
    flex-direction: row;
}

.container-flex-column2 {
    display: flex;
    flex-direction: column;
}

.container-grid-1H2_1P_2xYZ {
    margin: 15px;

    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-items: stretch;
    align-items: stretch;

    border: 5px solid hotpink;
    border-radius: 5px;
}

@media(max-width: 800px) {
    .container-grid-1H2_1P_2xYZ {
        grid-template-columns: 1fr;
    }
}

.container-grid-1H2_1P_2xYZ h2:nth-child(1), p.main-p {
    margin: 10px;

    text-align: center;

    grid-column: 1/3;
}

@media(max-width: 800px) {
    .container-grid-1H2_1P_2xYZ h2:nth-child(1), p.main-p {
        grid-column: 1/2;
    }
}

.container-grid-1H2_1P_2xYZ h2:nth-child(1)::before {
    content: "⭐";
}

.container-grid-1H2_1P_2xYZ .main-div {
    margin: 5px;
    padding: 5px;

    display: grid;
    grid-template-rows: auto 1fr;

    border: 5px solid palevioletred;
}

.container-grid-1H2_1P_2xYZ .main-div .secondary-div {
    display: grid;
}

.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(1n){
    font-size: 40px;
}

.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(1) {
    background-color: deepskyblue;
    content: "1";
}
.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(1)::before {
    content: "1";
}

.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(2) {
    background-color: lawngreen;
}
.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(2)::before {
    content: "2";
}

.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(3) {
    background-color: darkorange;
}
.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(3)::before {
    content: "3";
}

.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(4) {
    background-color: magenta;
}
.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(4)::before {
    content: "4";
}

.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(5) {
    background-color: red;
}
.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(5)::before {
    content: "5";
}

.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(6)::before {
    content: "6";
}
.container-grid-1H2_1P_2xYZ .main-div .secondary-div :nth-child(7)::before {
    content: "7";
}

.grid-area-example {
    grid-template-areas: 
            "a a a"
            "b c c"
            "b c c";
}