*
*:before,
*:after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html,
body {
    font: 18px/1.7 'Open Sans', sans-serif;
    color: var(--text);
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --sky: #BABDC4;
    --forest: #505662;
    --water: #9C9C9C;
    --snow: #C9C6BF;
    --cloud: #BEB8B5;
    --tailwind: #6b7280;
    --weather: #1C2D63;
    --v2211: #717375;
    --ch2211: #84ADEA;
    --text: #e0e3e9;
    --header: #5f62cc;
    --main: #a2a4e6;
}
.container-header-out {
    width: 100%;
    background-color: var(--header);
}
.container-header-in {
    max-width: 900px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 0.6rem;
}
header {
    display: grid;
    height: 100vh;
    background-color: var(--header);
    gap: 1rem;
    align-content: center;
    place-items: center;
    grid-template-columns: repeat(1, minmax(0, 1fr));
}
h1 {
    text-align: center;
}
a {
    color: #fff;
    text-decoration: none;
    border: 2px ;
    border-radius: 20px;
    background: #30d41b;
    padding: 0.2rem 1rem 0.2rem 1rem;
    /* padding: 10px;    */
}
:link:hover {
    box-shadow: 5px 5px 50px #009000;
}
.container-main-out {
    background-color: var(--main);
    width: 100%;
    height: 100vh;
}
.container-main-in {
    max-width: 900px;
    margin: 0 auto;
}
main {
    box-sizing: border-box;
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem;
    background-color: var(--main);
}
.h2article {
    font: 18px/1.7 'Open Sans', sans-serif;
    text-align: center;
}