index.css

@import url(https://fonts.googleapis.com/css?family=Montserrat:100,100italic,200,200italic,300,300italic,regular,italic,500,500italic,600,600italic,700,700italic,800,800italic,900,900italic);

:root
{
    --main-color: #3fc1c9;
    --second-color: #364f6b;
}

body
{
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #3fc1c9;
    padding-top: 2rem;
}

#barra
{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas: 'inicio downloads';
}

#barra a
{
    font-weight: bold !important;
    color: currentColor !important;
    text-decoration: none !important;
    cursor: pointer !important;
    font-size: 1.25rem;
}

#inicio
{
    width: 100%;
    text-align: center;
}

#downloads
{
    width: 100%;
    text-align: center;
}

#logo
{
    width: 100%;
}

#titulo
{
    color: #364f6b;
    width: 100%;
    font-weight: bolder;
    font-size: 1.5rem;
    text-align: center;
}

#texto
{
    color: #364f6b;
    width: 80%;
    margin: 0 auto;
}

#download
{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas: 'aplicativo material';
}

@media only screen and (max-width: 800px) {
    #download {
        grid-template-columns: 100%;
        grid-template-rows: auto auto;
        grid-template-areas: 'aplicativo' 
                             'material';
    }
  }

.tiposDownload
{
    color: #364f6b;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.tiposDownload a
{
    font-weight: bold !important;
    font-size: 1.5rem !important;
    color: currentColor !important;
    text-decoration: none !important;
    cursor: pointer;
}

.textoDownload
{
    display: block;
    margin: 0 auto;
    width: 90%;
}

#aplicativo
{
    grid-area: aplicativo;
}

#material
{
    grid-area: material;
}

#esqueleto
{
    width: 100%;
    grid-column-start: aplicativo;
    grid-column-end: material;
}