style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300&display=swap');
*{
    box-sizing: border-box;
}
.timer-container {
    color: blueviolet;
        
  }
  
body{
    font-family:  'Poppins', sans-serif;
    background-color: darkseagreen;
    min-height: 10vh;
    margin: 0px 50px 50px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
h1{color: black;}

  #timer {
    font-size: 3em;
  }
.quiz_container{
    background-color: white;
    width: 30%;
    display: flex;
    flex-direction: column;
    align-items: left;
    justify-content: center;
    margin-top: 15%;
    border: none;
    border-radius: 4px;
    box-shadow: 0 0 10px 5px rgb(170, 157, 157);
}
.quiz_container h2{
    margin-left: 10%;
}
ul li {
    list-style: none;
    margin-bottom: 5%;
}
button{
    background-color: dodgerblue;
    color: white;
    font-size: 1.3rem;
    padding: 1rem;
    border: none;
    cursor: pointer;
}
button:hover{
    background-color: dodgerblue;
}