style.css

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@300..700&family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Fredoka', sans-serif;
}

body{
    background-image: url(cards.gif);
    background-size: cover;
    text-align: center;
}

.container{
    background-color: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 400px;
    padding: 20px 40px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

h1{
    color: #000;
    text-decoration: underline;
    font-size: 40px;
}

#message{
    color: #000;
    font-weight: bold;
    font-size: 20px;
}

#cards-received,#total{
    color: rgb(233, 33, 73);
    font-weight: bolder;
}

button:first-of-type{
    width: 50%;
    border: none;
    background-color: white;
    padding: 7px 20px;
    border-radius: 2px;
    color: black;
    font-weight: bolder;
    cursor: pointer;
}

button:last-of-type{
    width: 50%;
    border: none;
    background-color: white;
    padding: 7px 20px;
    border-radius: 2px;
    color: rgb(233, 33, 73);
    font-weight: bolder;
    cursor: pointer;
}