* {
    box-sizing: border-box;
}

html {
    height: 100%;
    font-family: sans-serif;
    font-size: 1.2em;
    line-height: 1.5;
    text-align: justify;
}

body {
    margin: 0 auto;
    min-height: 100%;
    max-width: 1200px;
    padding: 15px 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

body > * {
    width: 100%;
}

h1 {
    text-align: center;
}

mark {
    background: transparent;
    font-family: Consolas, monospace;
    font-weight: bold
}

code {
    margin: 16px 0;
    border: 1px solid rgba(0, 0, 0, .12);
    border-left: 4px solid #2195f2;
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, .16), 0 2px 10px 0 rgba(0, 0, 0, .12);
    padding: 8px 12px;

    font-family: Consolas, sans-serif;
    font-size: 15px;
    line-height: 1.5;

    overflow-x: auto;
}

form {
    display: flex;
    align-items: center;
}

.logout-button {
    height: 36px;
    margin: 0 auto;
    outline: none;
    border: none;
    border-radius: 4px;
    box-shadow: 0px 3px 1px -2px rgba(0, 0, 0, .20), 0px 2px 2px 0px rgba(0, 0, 0, .14), 0px 1px 5px 0px rgba(0, 0, 0, .12);
    padding: 0 16px;
    background: #2195f2;
    color: white;
    cursor: pointer;
    transition: box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 800px) {
    body {
        justify-content: flex-start;
    }
}