html {
    -webkit-appearance: none;
    font-family: sans-serif;
    font-size: 62.5%;
    animation: html 3s;
}

@keyframes html {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

body {
    margin: 0;
}

img {
    display: block;
    margin: 5rem auto 0 auto;
    width: 30%;
}

form {
    margin: 0 auto;
    display: block;
    text-align: center;
    width: 20%;
    box-sizing: border-box;
}

input {
    margin-bottom: 2rem;
    padding: 1rem;
    width: 100%;
    height:5rem;
    display: block;
    border: none;
    box-sizing: border-box;
    box-shadow: .3rem .3rem .5rem gray;
}

#submit{
    background: hsl(210, 100%, 56%);
    color: white;
    font-weight: bold;
    letter-spacing: .5rem;
    font-size: 1.8rem;
    cursor: pointer;
    transition: background .5s;
}

#submit:HOVER{
    background: hsl(330, 100%, 56%);
}

@media (min-width: 0px) and (max-width: 599px) {

    img {
        width: 90%;
    }

    form{
        width: 90%;
    }
}