styles.css

* {
    margin: auto;
    padding: auto;
    box-sizing: border-box;
}
body, span#root{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;

    width: 100%;
    max-width: 48rem;
    min-height: 100vh;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-self: center;
    text-align: center;
    padding: 6px;
}
gray.text-bin, gray.bin-text {
    user-select: none;
    cursor: pointer;
    font-size: 18px;
    color: rgb(104, 104, 255);
}
gray.text-bin {
    display: none;
}

div {
    margin-top: 40px;
}
div input {
    margin-top: 20px;
}
div input[type="text"] {
    outline: none;
    border: 1px solid black;
    border-radius: 7px;
    padding: 16px;
    width: 99%;
}
div input[type="submit"] {
    text-transform: uppercase;
    background-color: #fff;
    outline: none;
    border: 1px solid black;
    border-radius: 7px;
    padding: 16px;
    width: 99%;
}
div.bin-text {
    display: none;
}

footer {
    width: 100%;
    padding: 16px;
}
footer svg {
    vertical-align: middle;
    width: 28px;
    height: 28px;
}