body {
    font-family: Arial, sans-serif;
    padding: 20px;
    text-align: center;
 background-color: #f0f0f0;
}

h1 {
    font-size: 2em;
}

h2 {
    font-size: 1.5em;
}

input[type="radio"] {
    margin: 10px;
}

button {
    padding: 10px;
    font-size: 1em;
    margin-top: 20px;
    cursor: pointer;
}

#countdown {
    font-size: 2em;
   // color: black;
    margin-top: 20px; 
}

#timer, #gameOverMessage {
    font-size: 2em;
    color: red;
    margin-top: 20px;
}

@media only screen and (max-width: 600px) {
    h1 {
        font-size: 1.5em;
    }

    h2 {
        font-size: 1.2em;
    }

    button {
        padding: 5px;
        font-size: 0.8em;
    }

    #countdown, #timer, #gameOverMessage {
        font-size: 1.5em;
    }
}

.countdown-start {
    color: black;
}

.timer-game {
    color: red;
}

input[type="radio"]  {
    width: 50px;
    height: 50px;
  }
input[type="radio"]:hover{
   width: 52px;
    height: 52px;

}

.radio-container {
    display: inline-block;
    text-align: center;
    margin-right: 20px;
}

.radio-container input[type="radio"] {
    display: block;
    margin: 0 auto 10px;
}