html, body {
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-family: sans-serif;
}

* {
    box-sizing: border-box;
}

main {
    width: 100%;
    min-height: 100vh;
    background: #f3f6f9;
    color: #101010;
    padding: 2rem;
    display: flex;
    align-items: center;
    text-align: center;
}

.layout {
    width: 100%;
    max-width: 625px;
    margin: 0 auto;
}

.inner {
    padding: 2rem;
    width: 100%;
    min-height: 300px;
    display: flex;
    align-items: center;
    background: #a5a5a5;
    border-radius: 10px;
    box-shadow: 0 4px 16px 5px rgba(0,0,0,0.15);
}

.content {
    width: 100%;
    max-width: 425px;
    margin: 0 auto;
}

h1 {
    font-size: 2rem;
    margin: 10px 0 0 0;
    text-align: center;
    color: #ffffff;
}

p {
    margin: 10px 0 0 0;
    text-align: center;
    font-size: 1.5rem;
    color: #ffffff;
}

img {
    width: 100%;
    display: block;
    margin: auto;
}

.legend {
    margin-top: 35px;
    color: #636669;
}

.legend a {
    color: #101010;
    text-underline-offset: 4px;
}

@media screen and (max-width: 625px) {
    .inner {
        padding: 1rem;
    }
    h1 {
        font-size: 3rem;
    }
}