@import url('https://fonts.googleapis.com/css?family=Lato:300,400&display=swap&subset=latin-ext');

* {
    box-sizing: border-box;
}
html {
    font-size: 20px;
    font-family: 'Lato', sans-serif;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    display: grid;
    grid-template-columns: auto;
    grid-template-rows: auto auto;
    grid-template-areas: 
        "sidebar"
        "main";
    background-color: #F5F6F8;
}

.main {
    grid-area: main;
    padding: 0 1rem;
    margin: 2rem 0 0.5rem;
}
.main__box {
    background-color: #FFF;
    border: solid 1px #D9DDE3; 
    border-radius: 4px;
}
.main__header {
    background-color: #324754;
    font-size: 1rem;
    color: #FFF;
    text-transform: uppercase;
    padding: 1rem 2rem;
    border-top-left-radius: 3px;
    border-top-right-radius: 3px;
}

.error404 {
    padding: 1rem;
}

@media (min-width: 1150px) {
    body {
        grid-template-columns: 1fr 15rem auto 1fr;
        grid-template-areas: ". sidebar main .";
    }
    .main__header {
        font-size: 1.5rem;
    }
    .main {
        width: 40rem;
    }
}