:root {
    --bg-color: #e6f0fa;
    --app-bg: #ffffff;
    --heading-color: #0a2f5c;
    --btn-color: #0a2f5c;
    --btn-hover: #174e7f;
    --color: #ffffff;
    --text-color: #061a2f;
    --logo-color: #FFD700;
    --answer-bg: #d6e2ee;
    --answer-hover: #b0c4d8;
    --correct: #4caf50;
    --wrong: #f44336;
  }

/* START PAGE */
html{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    text-align: center;
}
body{
    margin-top: 120px;
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.app{
    background-color: var(--app-bg);
    width: 520px;
    height: fit-content;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}
h1{
    margin-top: 40px;
    font-size: 50px;
    color: var(--heading-color);
}
img{
    width: 250px;
}
.btn{
    width: 120px;
    border-radius: 60px;
    font-size: 20px;
    cursor: pointer;
    margin-top: 10px;
    margin-left: 10px;
    margin-right: 10px;
    margin-bottom: 40px;
    padding: 10px;
    background-color: var(--heading-color);
    color: var(--color);
    border: none;
}
.btn:hover{
    background-color: var(--btn-hover);
}

/* QUESTION PAGE */

h2{
    font-size: 30px;
    text-align: center;
    margin: 20px;
    margin-top: 40px;
    color: var(--heading-color);
}

.timer-container {
    position: relative;
    width: 480px;
    height: 17px;
    margin-left: 20px;
    margin-right: 20px;
    background-color: var(--answer-hover);
    border-radius: 240px;
    overflow: hidden;
    }

.timer-bar {
    position: absolute;
    height: 100%;
    width: 100%;
    background-color: var(--btn-color); 
    transition: width 1s linear;
}

#time-left {
    position: absolute;
    left: 50%;
    font-size: 12px;
    font-weight: bold;
    color: var(--app-bg);
    display: flex;
    justify-content: center;
    align-items: center;
}

.question{
    font-size: 17px;
    font-weight: bold;
    color: var(--text-color);
    text-align: left;
    margin: 20px 30px 20px 30px;
}

.multichoice ul{
    list-style: none;
    padding-left: 0;
    margin: auto;
    width: fit-content;
    min-width: 480px;
    text-align: left;
}

li{
    color: var(--text-color);
    background-color: var(--answer-bg);
    margin: 10px;
    padding:15px;
    border-radius: 10px;
    text-align: left;
    cursor: pointer;
}

li:hover{
    background-color: var(--answer-hover);
}

.ques-btn{
    width: 120px;
    border-radius: 60px;
    font-size: 17px;
    cursor: pointer;
    margin-top: 10px;
    margin-bottom: 25px;
    padding: 5px;
    background-color: var(--heading-color);
    color: var(--color);
    border: none;
}

.ques-btn:hover{
    background-color: var(--btn-hover);
}