html, body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: auto;
  background-color: #0f0f0f;
  color: #f0f0f0;
}
.control {
  display: flex;
  flex-direction: row;
  justify-content: center;
  padding: 20px 10px;
}
.do {
  padding: 20px 10px;
}
#myapp {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
main {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: center;
}
.image {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 10px;
}