body {
    background-image: url("../images/bg-image.jpg"); /* Default background image */
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    backdrop-filter: blur(15px);
    color: white;
}

.center-div {
    position: relative;
    opacity: 95%;
    background-color: #313131;
    width: 60%;
    padding: 50px;
    border-radius: 10px;
    border: 4px solid #131313;
    text-align: center;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

h1 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    font-family: "pricedownblack";
}

h3 {
    color: #fff;
}

.difficulty {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-family: "roadgeek_2005_mittelschriftRg";
    font-size: 1vw;
}

.difficulty label {
    font-size: 24px;
    margin-right: 10px;
    color: white;
}

.difficulty select {
    font-size: 24px;
    padding: 5px 10px;
    background-color: #f2f2f2;
    border: none;
    border-radius: 5px;
}

.rounds {
    color: white;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-family: "roadgeek_2005_mittelschriftRg";
    font-size: 1vw;
}

.rounds label {
    font-size: 24px;
    margin-right: 10px;
    color: white;
}

.rounds select {
    font-size: 24px;
    padding: 5px 10px;
    background-color: #1f1f1f;
    border: none;
    border-radius: 5px;
}


input[type=range] {
    appearance: auto;
    -webkit-appearance: none;
    background-color: rgb(71, 71, 71);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    background-color: #9c9c9c;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.slider {
    width: 100%;
    height: 10px;
    border-radius: 5px;
    background: #1f1f1f;
    outline: none;
    opacity: 0.7;
    -webkit-transition: .2s;
    transition: opacity .2s;
}

#play-button {
    margin-top: 20px;
    background-color: #1f1f1f;
    font-family: "pricedownblack";
    font-size: 1.5vw;
    -webkit-text-stroke: 2px black;
    border-color: black;
    width: 50%;
}

#play-button:hover {
    opacity: 100%;
    background-color: rgb(17, 17, 17);
}

#game-title {
    font-family: "pricedownblack";
    font-size: 4vw;
    color: white;
    -webkit-text-stroke: 4px black;
    line-height: 3px;
}

#game-subtitle {
    font-family: "pricedownblack";
    font-size: 4vw;
    color: black;
    -webkit-text-stroke: 2px white;
}

#round-amount {
    width: 45%;
}

#round-value {
    margin-left: 10px;
    font-size: 24px;
}

#credit-text, #credit-subtext, #delete-scores {
    font-family: "roadgeek_2005_mittelschriftRg";
    color: white;
    font-weight: lighter;
    margin-top: 5px;
}

#credit-subtext {
    position: absolute;
    bottom: -15px;
    right: 5px;
    color: rgb(134, 134, 134);
    font-size: 13px;
}

#delete-scores {
    color: rgb(134, 134, 134);
    font-size: 13px;
    position: absolute;
    float: left;
    bottom: -15px;
    left: 5px;
    cursor: pointer;
}

.holder {
    display:flex;
}

.holder h1 {
    -webkit-text-stroke: 2px black;
}

.holder form {
    width: 50%;
    margin:2em;
}