*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body{
    background: rgb(199, 198, 198);
}

.container{
    width: 70%;
    margin-left: auto;
    margin-right: auto;
    background: rgb(230, 227, 227);
    padding-bottom: 100px;
}

.main{
    width: 70%;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

.header{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    background: rgb(65, 167, 65);
    padding: 15px;
}

.logo{
    width: 10%;
}

.nav{
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 30px;
}

.item{
    color: white;
    font-weight: 600;
    font-size: 20px;
    cursor: pointer;
}

.article{
    padding: 20px;
}

h1{
    text-align: center;
    font-size: 24px;
}

#ketoQuiz{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 10px;
    background: rgb(65, 167, 65);
    width: fit-content;
    padding: 15px;
    border-radius: 10px;
    color: white;
    margin-left: auto;
    margin-right: auto;
}

#ketoQuiz > p{
    font-size: 18px;
}

button{
    width: 100%;
    height: 40px;
    background: white;
    color: black;
    font-size: 20px;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 8px black;
    text-transform: uppercase;
    font-weight: 600;
}

@media screen and (max-width: 1320px){
    .container{
        width: 80%;
    }
}

@media screen and (max-width: 872px){
    .container{
        width: 100%;
    }
    .item{
        font-size: 16px;
    }
}

@media screen and (max-width: 533px){
    .container{
        width: 100%;
    }
    .item{
        font-size: 12px;
    }

    .nav{
        gap: 10px;
    }

    .logo{
        width: 20%;
    }

    .header{
        padding: 5px;
    }

    h1{
        font-size: 20px;
        margin-top: 10px;
    }

    #ketoQuiz > p{
        font-size: 16px;
    }
    .main{
        width: 100%;
    }
    .article{
        padding: 10px;
    }
}

@media screen and (max-width: 370px){
    .nav{
        gap: 7px;
    }

    .item{
        font-size: 10px;
    }
}