style.css

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

/* applying linear gradient */
body{
    background: #4b6cb7;  /* fallback for old browsers */
background: -webkit-linear-gradient(to right, #182848, #4b6cb7);  /* Chrome 10-25, Safari 5.1-6 */
background: linear-gradient(to right, #182848, #4b6cb7); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */

}
.formwrapper{
    margin-top: 10%;
    animation: RGB 4s ease infinite forwards;
    box-shadow: rgb(24 40 72 / 74%) 1px 17px 65px 19px, rgb(24 40 72 / 58%) 0px 0px 44px 6px;
    border-radius: 5px;
    border: 5px solid #182848;
    /* display: none; */

}
h3{
    font-size: 3vw;
    color: white;
    font-weight: bold;
    text-align: center;
}
.sub-btn{
    background-color: #4b6cb7;
    color: white;
    height: 50px;
    border-radius: 10px;
    font-size: 2vw;
    border: none;
}

/* working on strat section */
.start{
    display: none;
    margin-top: 8%;
    width: 50%;
    animation: RGB 4s ease infinite forwards;
    box-shadow: rgb(24 40 72 / 74%) 1px 17px 65px 19px, rgb(24 40 72 / 58%) 0px 0px 44px 6px;
    border-radius: 5px;
    border: 5px solid #182848;
}
.icn{
    height: 25%;
    /* border: 2px solid red; */
    width: 50%;
}
.img2{
    height: 50%;
    width: 100%;
}
.btn2{
    border: none;
    background-color: #4b6cb7;
    font-size: 2vw;
    color: white;
    border-radius: 10px;
    height: 50px;
}

/* working on quzbody section*/
.quizbody{
    display: none;
    margin-top: 10%;
    width: 60%;
    animation: RGB 4s ease infinite forwards;
    box-shadow: rgb(24 40 72 / 74%) 1px 17px 65px 19px, rgb(24 40 72 / 58%) 0px 0px 44px 6px;
    border-radius: 5px;
    border: 5px solid #182848;
}

.main-header{
    /* border: 2px solid #5aa6eb; */
    justify-content: space-evenly;
}
.main-con p{
    color: white;
}
.main-footer{
    justify-content: space-between;
    border: 2px solid #0e6d99;
}
.btn3{
    height: 50px ;
    border: none;
    background-color: #4b6cb7;
    border-radius: 5px;
    color: white;
    font-size: 1.6vw;
    border: none;
    font-weight: bold;
    margin-right: 4%;
    width: 200px;
}
.conter{
    color: white;
}

h1{
    color: white;
}


#para_name{
    color: white;
}

/* set question and options style */
#ques{
    color: white;
    font-size: 2.4vw;
    font-weight: bold;
}
#opt{
    color: white;
    font-size: 2vw;
    font-weight: bold;
}
#opt li{
    list-style: none;
    cursor: pointer;
    
}
.disableli{
    pointer-events: none;
}
.correctAns{
    border: 1px solid green;
    color: green;
}
.wrongAns{
    border: 1px solid red;
    color: red;
}

/* working on result section */
.result{
    display: none;
}

/* progress bar */
.container{
    margin-top: 5%;
    display: flex;
    width: 100%;
    padding: 50px 0;
    border-radius: 8px;
    background: #4b6cb7;
    row-gap: 30px;
    flex-direction: column;
    align-items: center;
    border: 1px solid black;
    animation: RGB 4s ease infinite forwards;
    box-shadow: rgb(24 40 72 / 74%) 1px 17px 65px 19px, rgb(24 40 72 / 58%) 0px 0px 44px 6px;
    
    border: 5px solid #182848;
}
.circular-progress{
    position: relative;
    height: 250px;
    width: 250px;
    border-radius: 50%;
    background: conic-gradient(#0e6d99 3.6deg, #182848 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: RGB 4s ease infinite forwards;
    box-shadow: rgb(24 40 72 / 74%) 1px 17px 65px 19px, rgb(24 40 72 / 58%) 0px 0px 44px 6px;
    
    border: 5px solid #182848;
}
.circular-progress::before{
    content: "";
    position: absolute;
    height: 210px;
    width: 210px;
    border-radius: 50%;
    background-color: #fff;
}
.progress-value{
    position: relative;
    font-size: 2.3vw;
    font-weight: bold;
    color: #0e6d99;
}
.text{
    font-size: 3.5vw;
    font-weight: bold;
    color: white;
}

/* applying media query min width 400px for responsive */
@media screen and (max-width: 480px) {
    .start{
        margin-top: 30%;
        width: 75%;
    }
    .btn2{
        font-size: 4vw;
    }
    .quizbody{
        width: 75%;
        margin-top: 30%;
    }
    .btn3{
        height: 35px;
        width: 80px;
        font-size: 2vw;
        border: none;
        border-radius: 5px;
    }
    #opt{
        font-size: 3.6vw;
    }
    #ques{
        font-size: 4vw;
    }
    .container{
        width: 140%;
    }
    .circular-progress{
        width: 210px;
    }
    .progress-value{
        font-size: 5vw;
        font-weight: bold;
    }
    .circular-progress::before{
        content: "";
        position: absolute;
        height: 100px;
        width: 100px;
        border-radius: 50%;
        background-color: #fff;
    }
    .text{
        font-size: 4.2vw;
        font-weight: bold;
    }
  }