* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    min-height: 100%;
}

#wrapper {
    max-width: 450px;
    margin: 16px auto;
    border: 2px solid #000;
    padding: 10px 16px 3px;
    background-color: #fff;
    overflow: hidden;
    color: #000;
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 23px;
    font-weight: 400;
}

header {
    padding: 0 0 25px;
    display: flex;
    justify-content: center;
}

p {
    margin: 0 0 14px;
    text-align: center;
}

h1 {
    margin: 0 -16px 14px;
    font-size: 26px;
    line-height: 1.5;
    font-weight: 700;
    text-align: center;
    background: #d7d7d7;
    padding: 8px 16px 10px;
}

h1 small {
    font-weight: 400;
}

a {
    color: #000;
    text-decoration: none;
}

img {
    max-width: 100%;
}

@media all and (max-width: 448px) {
    #wrapper {
        padding: 16px;
        border: none;
        margin: 0 auto;
    }

    br:not(.br) {
        display: none;
    }
}