body{
    font-family: 'Poppins', sans-serif;
    color: white;
    padding: 0px;
    margin: 0px;
}
.main-container{
    display: flex;
    justify-self: center;
    flex-direction: column;
    width: 80vw;
    height: 100vh;
    background-color: rgb(0, 0, 50, 0.95);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0px 0px 5px 1px rgb(0, 0, 50)
}
nav, nav ul, nav a{
    display: flex;
    flex-direction: row;
    list-style: none;
    text-decoration: none;
    color: white;
    justify-content: space-around
}
nav ul, nav span{
    display: flex;
    height: 100%;
    align-items: center;
    margin: 0px;
    padding-left: 0px;
}
.sign-in-up span{
    justify-content: center;
    width: 100%;
}


.navigation-bar nav{
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    position: fixed;
    width: 100vw;
    height: 50px;
    background-color: rgb(0, 0, 50);
}


.hello-container{
    display: flex;
    justify-items: center;
    background-image: url(../assets/stack-of-books-1001655_640.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    height: 40vh;
}

.hello-container div{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 50, 0.2);
    width: 100%;
    height: 100%;
    font-size: 4rem;
}
.hello-container div div{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-items: center;
    justify-content: space-between;
    color: white;
    width: 100%;
}


.ans_container{
    display: flex;
    flex-direction: column;
}

.sub_ans{
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 5px;
    height: 40px;
    background-color: rgb(21, 29, 105);
    color: white;
    border-radius: 5px;
    width: 70%;
    justify-self: center;
    align-self: center;
}

.ans_btn{
    display: flex;
    border: 0px;
    margin: 5px;
    height: 40px;
    color: black;
    background-color: rgb(255, 255, 255, 0.9);
    border-radius: 5px;
    font-size: 1.2rem;
    font-weight: bold;
    width: 70%;
    justify-self: center;
    align-self: center;
}

.ans_btn:hover{
    opacity: 0.5;
}
.ans_btn:focus{
    opacity: 0.5;
}

.qst_nav{
    display: flex;
    justify-content: space-between;
}
.qst_nav button{
    border: 0px;
    margin: 5px;
    background-color: rgb(16, 10, 41);
    color: rgb(255, 255, 255);
    height: 40px;
    border-radius: 5px;
    width: 20%;
}
#nxt_btn{
    display: flex;
    right: 10px;
    justify-self: baseline;
    justify-content: center;
    align-items: center;
}

#sub_btn{
    background-color: green;
}

.score_container{
    opacity: 0.99;
    border:30px double white;
    border-radius: 100px;
    display: flex;
    flex-direction: column;
    justify-self: center;
    justify-content: center;
    justify-content: space-evenly;
    text-align: center;
    align-items: center;
    height: 40vh;
    width: 50%;
    margin-top: 20px;
    /* background-image: linear-gradient(silver, rgb(255, 255, 255)); */
    color: White;
    font-size: 2rem;
   

}

.score_container p{
    font-size: 70px;
    margin: 0px;
}
a{
    text-decoration: none;
}
.home_btn{
    display: flex;
    justify-self: center;
    align-items: center;
    border: none;
    border-radius: 100px;
    background-color: white;
    color: rgb(0, 0, 50);
    box-shadow: 0px 0px 5px 1px white;
    width: max-content;
    height: 60px;
    font-size: 2rem;
    padding-left: 15px;
    padding-right: 15px;
}

@media (max-width:600px) {
    body{
        margin:0px;
        padding: 0px;
    }
    nav{
        font-size: 12px;
    }
    .main-container{
        padding: 0px;
        border-radius: 0px;
        width: 100vw;
    }
    .first{
        padding: 5vw;
    }
    .score_container{
        font-size: 2rem;
    }
    .ans_btn, .sub_ans{
        width: 95%;
    }
}