@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400&display=swap");

html,
body,
#content {
  box-sizing: border-box;
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
  font-family: "Open Sans", sans-serif;
  color: white;
  font-weight: 300;
  font-size: 16px;
}

#content {
  display: flex;
  flex-flow: column nowrap;
  justify-content: center;
  align-items: center;
}

#buttons,
#score {
  display: flex;
  flex-flow: row nowrap;
  justify-content: center;
  align-items: center;
}

#score {
  border-bottom: 1px solid white;
  font-size: 20px;
}

#right,
#wrong {
  margin: 8px;
}

#prompt {
  font-weight: 400;
}

#no {
  width: 64px;
  height: 64px;
  background: #ff9900;
  color: white;
}

#yes {
  width: 64px;
  height: 64px;
  background: #5bc236;
  color: white;
}

button {
  border: 3px solid white;
  border-radius: 4px;
  margin: 8px;
  font-size: 1.5em;
}

body {
  background: #606c88; /* fallback for old browsers */
  background: -webkit-linear-gradient(
    to right,
    #3f4c6b,
    #606c88
  ); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(
    to right,
    #3f4c6b,
    #606c88
  ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

body.right {
  background: #28a745;
}

body.wrong {
  background: #dc3545;
}