.content {
    margin-top: 54px;
    height: 92.3vh;
    display: flex;
    flex-direction: row;
    }
.header {
    padding: 15px;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 9999;
    }

.left-title img {
    width: 90px;
    float: left;
    margin-left: 5%;
    }
.right-title {
    width: 180px;
    text-align: right;
    float: right;
    color: #fff;
    margin-top: 15px;
    font-size: 20px;
    }
.quiz-body {
        margin-top: 100px;
        border-radius: 30px;
        padding-bottom: 50px;
    }
.option-block-container {
        margin-top: 30px;
        max-width: 820px;
    }
.option-block {
    padding: 15px;
    width: 80%;
    background: aliceblue;
    border: 1px solid #84c5fe;
    margin-bottom: 10px;
    cursor: pointer;
    user-select: auto;
    border-radius: 30px;
    }
.option-block:hover {
        background-color: #b9ddf4;
        border: solid 1px transparent;
        }
.result-question {
    font-weight: bold;    
    }
.c-wrong {
    margin-left: 20px;
    color: #ff0000;
    }
.c-correct {
    margin-left: 20px;
    color: green;
    }
.last-row {
    border-bottom: 1px solid #ccc;
    padding-bottom: 25px;
    margin-bottom: 25px; 
    }
.res-header {
    border-bottom: 1px solid #ccc;
    margin-bottom: 15px;
    padding-bottom: 15px;
    }
.illustration img{
        width: 500px;
        height: 500px;
        margin:50px 100px 0 0;
    }
@media (max-width:785px) {
        .illustration img{
            display: none;
        }
        .left-title img{
            margin-left: 0%;
        }
        .right-title{
            font-size: 18px;
        }
    }