:root {
    box-sizing: border-box;
}

body {
    background-color: #f0f0f0;
}

h1 {
    font-size: 2rem;
    white-space: nowrap;
}

h2 {
    font-size: 1.6rem;
    margin-bottom: 10px;
}

a {
    color: #000;
}

a:hover {
    color: #5e5e5e;
}

section {
    margin-bottom: 25px;
    border-bottom: 1px solid black;
    padding: 5px;
}

section:last-child {
    border-bottom: none;
}

pre {
    background-color: #fff;
}

.header {
    max-width: 1170px;
    margin: 0 auto;
    padding: 10px 0;
    margin-bottom: 15px;
    border-bottom: 1px solid #000;
}

.menu {
    display: flex;
    justify-content: space-around;
}

.container {
    max-width: 1170px;
    width: 100%;
    margin: 0 auto;
    display: flex;
}

main {
    min-height: calc(100vh - 37px - 50px);
}

.center {
    text-align: center;
}

.left {
    text-align: left;
}

.photo {
    width: 250px;
    margin: 15px;
}

.column {
    padding: 0 15px;
}

.list__item {
    padding: 5px;
}

.footer {
    display: flex;
    justify-content: space-around;
    max-width: 1170px;
    margin: 0 auto;
    padding: 15px 0;
    border-top: 1px solid #000;
}

.footer__img {
    width: 50px;
}

@media (max-width: 915px) {
    .container {
        flex-direction: column;
    }

    .menu {
        flex-direction: column;
        text-align: center;
    }

    .menu__item {
        padding: 5px;
    }

    pre {
        overflow: auto;
    }
}