:root {
    --cont: 1440;
    --cont-p: 20px;
}

body {
    font-family: "Nunito";
    font-size: 16px;
    line-height: 135%;
    background-color: #3a3e43;
    color: #fff;
}

h1, h2, h3, h4, h5, h6,
a {
    color: #3498DB;
}

main {
    padding: 40px 0;
}

.container {
    max-width: calc(var(--cont) * 1px);
    width: calc(100% - var(--cont-p) * 2);
    margin-left: auto;
    margin-right: auto;
}