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

body {
    min-height: 100vh;
    background: #F6F8F8;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px 20px 20px;
}

.editor {
    background: #fff;
    border-radius: 3px;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);
    font-weight: 400;
    min-height: 150px;
    letter-spacing: normal;
    line-height: 20px;
    padding: 10px;
    tab-size: 2;
}