style.css

body{
    background-color: black;
    font-family: Arial, sans-serif;
    margin: 1vw;
    padding: 0;
}
span{
    color:forestgreen;
}
button{
    background-color: forestgreen;
}
.container{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    padding: 1vw;
    width: 50vw;
    height: 50vh;
    border: 1px solid lawngreen;
    border-radius: 10px;
    color: white;
    margin-top:10vw;
}
hr{
    width: 70%;
    border: 1px solid lawngreen;
}
.tex{
    display: flex;
    flex-direction: row;
    gap: 2vw;
}
button {
    width: 20vw;
    height: 5vh;
    border-radius: 2vw;
    margin-top: 2vw;
    font-size: 1vw;
    font-weight: bolder;
    color: white;
    border: none;
    cursor: pointer;
}
button:hover{
    background-color: lawngreen;
    color: black;
}
#pass1, #pass2{
    width: 10vw;
    height: 10px;
    margin-top: 1vw;
    border-radius: 2vw;
    margin-top: 2vw;
    font-size: 1vw;
    padding: 1vw;
    color: forestgreen;
    background-color: white;
    border: none;
    padding-left: 1vw;
    font-weight: bolder;
}
@media screen and (max-width: 480px) {
    body {
        font-size: 14px;
    }
    button{
        font-size: 3vw;
        width: 40vw;
        height: 3vh;
    }
    .container{
        width: 90vw;
        height: 50vh;
        text-align: center;
        margin-top: 40vw;
    }
    #pass1, #pass2{
        width: 35vw;
        height: 10px;
        font-size: 3vw;
    }
}