create-react-app rmwc example index.js version 1

index.css

body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}

.app {
  display: flex;
  flex-direction: row;
  box-sizing: border-box;
}

.body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  height: 100%;
  box-sizing: border-box;
}

.feed {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feed > div {
  margin-top: 15px;
  width: 100%;
  padding: 5px;
  max-width: 800px;
}

.button_list {
  display: flex;
  align-items: center;
  justify-content: space-around;
}