*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body{
    height: 100%;
}


body{
    font-family: 'Montserrat', serif;

}

main{
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: black;
    background: url(/image/game.jpg);
    position: relative;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

main::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    background-color: black;
    opacity: .6;
    z-index: -1;
}


.game-quiz-container{
    width: 40rem;
    height: 30rem;
    background-color: skyblue;
    box-shadow: inset 5px 5px 12px #ffffff,
                inset -5px -5px 12px rgba(15, 14, 14, 0.16),
                5px -5px 12px rgba(7, 6, 6, 0.16);
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    border-radius: 30px;
}

.game-details-container{
    width: 80%;
    height: 4rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.game-details-container h1{
    font-size: 1.2rem;
}

.game-question-container{
    width: 80%;
    height: 8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset  5px -5px 20px #ffffff,
                       5px  5px 20px rgba(0,0,0,.16);
                        /* rgba(0,0,0,.16); */
    border: none;
    border-radius: 25px;
}

.game-question-container h1{
    font-size: 1.1rem;
    text-align: center;
    padding: 3px;
}

.game-options-container{
    width: 80%;
    height: 12rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-around;
}

.game-options-container span{
    width: 45%;
    height: 3rem;
    box-shadow: inset  5px -5px 20px #ffffff,
                       5px  5px 20px rgba(0,0,0,.16);
                        /* rgba(0,0,0,.16); */
    border: none;
    border-radius: 20px;
    overflow: hidden;
}
span label{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s; 
    font-weight: 600;
    color: rgb(22, 22, 22);
}
/* tranition for text */

span label:hover{
    -ms-transform: scale(1.12);
    -webkit-transform: scale(1.12);
    transform: scale(1.14);
    color: white;
}
/* transit t0 zoom on hover */

input[type="radio"] {
    position: relative;
    display: none;
}


input[type=radio]:checked ~ .option {
    background: paleturquoise;
}

.next-button-container{
    width: 50%;
    height: 3rem;
    display: flex;
    justify-content: center;
}
.next-button-container button{
    width: 8rem;
    height: 2rem;
    border-radius: 10px;
    background: none;
    color: rgb(25, 25, 25);
    font-weight: 800;
    box-shadow: inset  5px -5px 20px #ffffff,
                       5px  5px 20px rgba(0,0,0,.16);
    border: none;
    transition: transform 0.3s;
    cursor: pointer;
    outline: none;
}
.next-button-container button:hover{
    -ms-transform: scale(1.12);
    -webkit-transform: scale(1.12);
    transform: scale(1.12);
    background-color: #ffffff;
}

.modal-container{
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    flex-direction: column;
    align-items: center;
    justify-content: center; 
    -webkit-animation: fadeIn 1.2s ease-in-out;
    animation: fadeIn 1.2s ease-in-out;
}

.modal-content-container{
    height: 15rem;
    width: 20rem;
    display: flex;
    background-color: #ffffff;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    border-radius: 25px;
}

.modal-content-container h1{
    font-size: 1.3rem;
    height: 3rem;
    text-align: center;
}

.grade-details{
    width: 15rem;
    height: 10rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

.grade-details p{
    color: white;
    text-align: center;
}

.modal-button-container{
    height: 2rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-button-container button{
    width: 10rem;
    height: 2rem;
    background: none;
    outline: none;
    font-size: 1.1rem;
    box-shadow: inset  5px -5px 20px #ffffff,
                       5px  5px 20px rgba(0,0,0,.16);
    border: none;
    cursor: pointer;
    border-radius: 20px;
}
.modal-button-container button:hover{
    /* background-color: rgb(83, 82, 82); */
    font-size: 1.3em;
}

/* responsiveness */

@media(min-width : 300px) and (max-width : 350px){
    .game-quiz-container{
        width: 90%;
        height: 80vh;
     }
     .game-details-container h1{
        font-size: 0.9rem;
     }

     .game-question-container{
        height: 6rem;
     }
     .game-question-container h1{
       font-size: 1.2rem;
    }

    .game-options-container span{
        width: 90%;
        height: 2.5rem;
    }
    .game-options-container span label{
        font-size: 0.8rem;
    }
    .modal-content-container{
        width: 90%;
        height: 25rem;
    }

    .modal-content-container h1{
        font-size: 1.2rem;
    }
}

@media(min-width : 350px) and (max-width : 700px){
   .game-quiz-container{
       width: 90%;
       height: 80vh;
    }
    .game-details-container h1{
        font-size: 1rem;
    }

    .game-question-container{
        height: 8rem;
    }

    .game-question-container h1{
        font-size: 1.1rem;
     }

    .game-options-container span{
        width: 90%;
    }
    .modal-content-container{
        width: 90%;
        height: 25rem;
    }
    .modal-content-container h1{
        font-size: 1.3rem;
    }
}


/* // the popup container */
@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity:1 ;}
  }

  @-webkit-keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
  }

/* end */