@font-face {
    font-family: 'Teachers';
    src: url('/fonts/Teachers-Regular.ttf') format('truetype');
}

body{
    border: 0;
    margin: 0;
    padding: 0;
    font-family: 'Teachers', sans-serif;
}

#header{
    text-align: center;
    border-bottom: 1px solid #000;
}

button{
    width: 8.0rem;
    height: 3.0rem;
    border-radius: 1.0rem;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: #fff;
}

#startButton{
    background-color: #04AA6D;
    margin: 0.5rem 4.0rem 0.5rem 0.5rem;
}

#repeatButton{
    background-color: #008CBA;
    margin: 0.5rem 0.5rem 0.5rem 4.0rem;
}

#content{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

div.display{
    flex;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #ccc;
    border-radius: 1.0rem;
    margin: 1.125rem;
    font-size: 2.5rem;
    width: 4.5rem;
    height: 4.5rem;
}

div.display.correct{
    background-color: #04AA6D;
}

div.display.wrong{
    background-color: #f44336;
}