*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.container{
    width: 100%;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-direction: column;
    background-color: rgb(0,0,0,0.1);
    padding: 50px 0;
    min-height: 100vh;
}
.container h1{
    font-size: 2.5rem;
    text-align: center;
}
.box{
    margin-top: 20px;
    font-size: 1.1rem;
    color: aliceblue;
    padding: 25px 40px;
    max-height: 700px;
    width: 700px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    background: linear-gradient(rgb(0,0,0,0.5), black);
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.box input, .box select{
    width: 100%;
    height: 50px;
    border-radius: 10px;
    outline: none;
    border: none;
    padding: 0 15px;
}

.box button, #btn{
    text-decoration: none;
    text-align: center;
    color: black;
    width: 150px;
    height: 50px;
    padding: 5px 10px;
    border-radius: 10px;
    margin: 10px ;
    cursor: pointer;
    font-size: 1.2rem;
    outline: none;
    border: none;
    margin-bottom: 0;
    background-color: white;
}
.link{
    color: white;
    margin-left: 25px;
    font-size: 1.4rem;
    display: flex;
    justify-content: center;
    align-items: center;
}
.box span{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.answer-box{
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.result{
    width: 700px;
    min-height: 140px;
    padding: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 2.4rem;
    color: white;
    border-radius: 15px;
    margin: 10px auto;
    background-color: rgb(82, 255, 82);
}
#btn{
    width: 300px;
}



@media screen and (max-width:800px) {
    .container{
        padding-top: 20px;
    }
    .box{
        width:90vw;
        font-size: 1rem;
        padding: 25px 15px;
    }
    .result{
        width: 90vw;
    }
}