elements.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    font-size: 62.5%;
    /*to scroll when clicking in a menu section*/
    scroll-behavior: smooth;
}
body {
    font-family: 'Open Sans', sans-serif;
    font-size: 2rem;
    color: var(--primary-color);
    line-height: 1.5;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
}
h1 {
    font-size: 6rem;
    text-transform: uppercase;
}
h2 {
    font-size: 5rem;
    margin-bottom: 5rem;
    text-transform: uppercase;
    line-height: 1.2;
}
h3 {
    font-size: 5rem;
}
h4 {
    font-size: 4.5rem;
}
h5 {
    font-size: 4rem;
}
h6 {
    font-size: 3.5rem;
}
a {
    text-decoration: none;
}
p {
    margin-bottom: 3rem;
}

.responsive-table {
    overflow: auto;
    overflow-x: auto;
}

table {
    border-collapse: collapse;
    min-width: 300px;
    width: 100%;
}

table caption {
    font-style: bold;
    font-size: 1.6rem;
    text-align: left;
    margin-bottom: 1rem;
}

table td, table th {
    white-space: nowrap;
    padding: 1rem;
    text-align: left;
    border: 0.1rem solid var(--darkcyan-color);
}

tfoot td, table th {
    background: var(--darkcyan-color);
}