* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-size: 16px;
}

body {
    padding: 16px;
    display: flex;
    flex-direction: column;
}

h2,
p {
    margin-top: 0;
}

.app {
    flex: 1 1 auto;
    display: flex;
    overflow: hidden;
}

.left {
    flex: 0 0 auto;
    overflow-y: auto;
    margin-right: 24px;
}

.right {
    flex: 1 1 auto;
    overflow-y: auto;
}