{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
}

body {
    background: #DEDEDE;
    display: flex;
    min-height: 100vh;
}

form {
    margin: auto;
    width: 60%;
    max-width: 600px;
    background: #F3F3F3;
    padding: 30px;
    border: 1px solid rgba(0,0,0,0.5);
}

h2 {
    text-align: center;
    margin-bottom: 20px;
    color: rgba(0,0,0,0.2);
}

input {
    display: block;
    padding: 10px;
    width: 100%;
    margin: 30px 0;
    font-size: 20px;
}

input[type="submit"]{
    background: linear-gradient(#FFDA63, #FFB940);
    border: 0;
    color: brown;
    opacity: 0.8;
    cursor: pointer;
    border-radius: 20px;
    margin-bottom: 0;
}

@media (max-width:768px){
    form {
        width: 75%;
    }
}

@media (max-width:480px){
    form {
        width: 95%;
    }
}