*,
*:after,
*:before {
  box-sizing: border-box;
}
body,
html {
  margin: 0;
  font-family: Roboto, sans-serif;
  color: #333;
}
.mainBody {
  max-width: 800px;
  margin: 20px auto;
}
.mainTextarea {
  width: 100%;
  display: block;
  margin: 0 auto;
  border: solid 1px #999;
  resize: none;
  height: 64px;
  padding: 5px 16px;
  border-radius: 8px;
  margin-top: 12px;
}
.divider {
  margin: 10px auto;
  border-top: solid 1px transparent;
}

.button {
  background-color: #01e675;
  color: white;
  padding: 15px 25px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 6px;
  width: 100%;
  display: inline-block;
  text-align: center;
}