adding quizz style

style/quizz.css

@@ -0,0 +1,145 @@
+
+.start_btn,
+.info_box,
+.quiz_box,
+.result_box{
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 
+                0 6px 20px 0 rgba(0, 0, 0, 0.19);
+}
+.info_box.activeInfo,
+.quiz_box.activeQuiz,
+.result_box.activeResult{
+    opacity: 1;
+    z-index: 5;
+    pointer-events: auto;
+    transform: translate(-50%, -50%) scale(1);
+}
+.start_btn button{
+    font-size: 25px;
+    font-weight: 500;
+    color: #007bff;
+    padding: 15px 30px;
+    outline: none;
+    border: none;
+    border-radius: 5px;
+    background: #fff;
+    cursor: pointer;
+}
+.info_box{
+    width: 90vw;
+    background: #fff;
+    border-radius: 5px;
+    transform: translate(-50%, -50%) scale(0.9);
+    opacity: 0;
+    pointer-events: none;
+    transition: all 0.3s ease;
+}
+.info_box .info-title{
+    height: 60px;
+    width: 100%;
+    border-bottom: 1px solid lightgrey;
+    display: flex;
+    align-items: center;
+    padding: 0 30px;
+    border-radius: 5px 5px 0 0;
+    font-size: 20px;
+    font-weight: 600;
+}
+.info_box .info-list{
+    padding: 15px 30px;
+}
+.info_box .info-list .info{
+    margin: 5px 0;
+    font-size: 17px;
+}
+.info_box .info-list .info span{
+    font-weight: 600;
+    color: #007bff;
+}
+.info_box .buttons{
+    height: 60px;
+    display: flex;
+    align-items: center;
+    justify-content: flex-end;
+    padding: 0 30px;
+    border-top: 1px solid lightgrey;
+}
+.info_box .buttons button{
+    margin: 0 5px;
+    height: 40px;
+    width: 100px;
+    font-size: 16px;
+    font-weight: 500;
+    cursor: pointer;
+    border: none;
+    outline: none;
+    border-radius: 5px;
+    border: 1px solid #007bff;
+    transition: all 0.3s ease;
+}
+.quiz_box{
+    width: 100vw;
+    background: #fff;
+    border-radius: 5px;
+    transform: translate(-50%, -50%) scale(0.9);
+    opacity: 0;
+    pointer-events: none;
+    transition: all 0.3s ease;
+}
+.quiz_box header{
+    position: relative;
+    z-index: 2;
+    height: 70px;
+    padding: 0 30px;
+    background: #fff;
+    border-radius: 5px 5px 0 0;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    box-shadow: 0px 3px 5px 1px rgba(0,0,0,0.1);
+}
+.quiz_box header .title{
+    font-size: 20px;
+    font-weight: 600;
+}
+.quiz_box header .timer{
+    color: #004085;
+    background: #cce5ff;
+    border: 1px solid #b8daff;
+    height: 45px;
+    padding: 0 8px;
+    border-radius: 5px;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    width: 145px;
+}
+.quiz_box header .timer .time_left_txt{
+    font-weight: 400;
+    font-size: 17px;
+    user-select: none;
+}
+.quiz_box header .timer .timer_sec{
+    font-size: 18px;
+    font-weight: 500;
+    height: 30px;
+    width: 45px;
+    color: #fff;
+    border-radius: 5px;
+    line-height: 30px;
+    text-align: center;
+    background: #343a40;
+    border: 1px solid #343a40;
+    user-select: none;
+}
+.quiz_box header .time_line{
+    position: absolute;
+    bottom: 0px;
+    left: 0px;
+    height: 3px;
+    background: #007bff;
+}