:root {
    --black: rgb(0, 0, 0);
    --green: #b8d323;
    --white: rgb(200, 200, 200);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}
body {
    width: 100%;
    height: 100vh;
    background-color: var(--black);
    color: var(--white);
    padding: 20px;
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
}
.base_title {
    font-size: 34px;
    color: var(--green);
}
.base_description {
    font-size: 14px;
}