index.css

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:ital,wght@0,700;1,300&family=Poppins:wght@300;400;500;600&display=swap');


* {
    padding: 0;
    margin: 0;
    font-family: 'Noto Sans', sans-serif;
    font-family: 'Poppins', sans-serif;
}


nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: black;
    color: white;
    padding: 19px 12px;
}


ul {
    display: flex;
}


ul li {
    list-style: none;
    padding: 0 13px;
}


ul li a{
    color: white;
    text-decoration: none;
}


ul >li> a:hover{
    color: rgb(192, 189, 205);
}


main{
    min-height: 100vh;
}


.logo img{
    width: 15px;
    filter: invert(1);
}


.container{
    max-width: 80vw;
    margin: auto;
    padding: 9px 15px;
}


.container h1{
    padding: 12px 0;
}


input[type='text']{
    min-width: 23vw;
    padding: 3px 12px;
    border: 2px solid black;
    border-radius: 4px;
    font-size: 20px;
}


.btn{
    background: black;
    color: white;
    padding: 9px 12px;
    border: 1px solid gray;
    border-radius: 6px;
    cursor: pointer;
}

#resultCont div::first-letter{
    text-transform: uppercase;
}


footer{
    font-size: 12px;
    background-color: black;
    color: white;
    display: flex;
    padding: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media only screen and (max-width: 600px) 
{
    .container{
        font-size: 12px;
    }

    input[type='text'] {
        width: 100%;
    }

    nav{
        flex-direction: column;
    }
    .logo{
        padding: 6px 0;
        font-size: 12px;
    }
    .logo span{
        font-size: 20px;
    }
    .logo img{
        width: 15px;
        filter: invert(1);
    }
  }