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

html {
    min-height: 100%;
}

#wrapper {
    max-width: 542px;
    margin: 16px auto;
    border: 3px solid #11a591;
    padding: 10px 25px;
    background-color: #fff;
    overflow: hidden;
    color: #464646;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 21px;
    font-weight: 400;
}

header {
    padding: 0 0 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 54px;
}

header p {
    flex: 1 1 0;
}

strong {
    font-weight: 900;
}

span {
    white-space: nowrap;
}

.center {
    margin: 0 0 8px;
}

:is(.center, h1) {
    text-align: center;
}

h1 {
    margin: 6px 0 0;
    font-size: 31px;
    line-height: 1.1;
    font-weight: 900;
    color: #231f20;
}

a {
    color: #464646;
    text-decoration: none;
}

img {
    max-width: 100%;
}

@media all and (max-width: 541px) {
    #wrapper {
        padding: 16px;
        border: none;
        margin: 0 auto;
    }

    header {
        gap: 16px;
        flex-direction: column;
        align-items: center;
    }

    p {
        text-align: center;
    }

    .mobile {
        display: none;
    }
}