style.css

body {
    background-image:url('https://thumbs.gfycat.com/CraftyCircularBeauceron-small.gif');
    background-size:100%;
    background-repeat: repeat-y;
    background-attachment: fixed;
    height:100%;
    width:100%;
}
.grid{
    width: 550px;
    height: 540px;
    margin: 0 auto;
    background-color: rgb(207, 87, 50);
    padding: 10px 50px 50px 50px;
    border-radius: 50px;
    border: 2px solid #920808;
    box-shadow: 10px 15px 5px bisque;
}
.grid h1 {
    font-family: 'Times New Roman', Times, serif;
    background-color: burlywood;
    font-size: 60px;
    text-align: center;
    color: #242324;
    padding: 2px 0px;
    border-radius: 50px;
}

.grid #question {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size: 30px;
    color: #5a6772

}
#choice-buttons{
    margin-top: 10px;
}
#startbtn{
    margin: 30px 2px 2px ;
    font-size: 10px;
    font-weight: bold;
    padding: 10px 20px;
}
.control{
    display: flex;
    justify-content: center ;
    align-items: center ;
}
.hide{
    display: none;
}

.btn{  
    background-color: rgba(247, 186, 108, 0.712);
    border-radius: 50px;
    margin: 40px 10px 0px;
    padding: 10px 10px;
    font-size: 25px;
    width: 250px;
    color: #ffeeee;
    border: 1px solid #343434;

}
.btn:hover{
    cursor: pointer;
    background-color: #920808;
}
.btn:focus{
    outline: 0;
}
#progress {
    color: #4CAF50;
    font-size: 18px;
}
.timer{
    text-emphasis-color: white;
    color: white;
}
.score{
    text-emphasis: white;
    color: white;
}
#secondsLeft{
    color: white;
}