body {
    margin: 0;
    font-family: "Open Sans", sans-serif;
}
main {
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    background-image: url('header-bg.jpg');
    background-color: #000;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
    color: #FFF;
    min-height: 500px;
    width: 100%;
    min-height: 500px;
    height: 100vh;
}
nav {
    width: 100%;
    display: block;
    margin: 0;
    padding: 0;
    margin-bottom: 5px;
}
nav ul {
    list-style: none;
    display: inline-block;
}
nav ul li {
    margin: 10px 0;
    border-bottom: 3px solid transparent;
}
nav ul li a {
    color: #FFF;
    text-decoration: none;
}
nav ul li:hover {
    border-bottom: 3px solid #FFAA60;
}
header>.container {
    padding: 0 37px;
    text-align: center;
}
h1 {
    font-size: 55px;
}
h2 {
    font-size: 35px;
    text-align: center;
}
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
section {
    padding: 10px 25px;
    /* min-height: 500px;
    height: 100vh; */
    /* padding-bottom: 100px; */
}
#intro {
    flex-basis: 20%;
    flex-grow: 1;
    background-color: #0000008c;
    height: 100%;
    padding: 0 25px;
}
#intro p {
    text-align: justify;
}
#intro h2 {
    margin-top: 1.2em;
}
#projetos {
    flex-basis: 70%;
    flex-grow: 1;
}
.showcase {
    margin-top: 50px;
    display: flex;
    width: 100%;
    justify-content: space-evenly;
    align-items: flex-start;
    flex-wrap: wrap;
}
.showcase-item {
    text-align: center;
    width: 30%;
}
.showcase-item h3 {
    height: 5em;
    margin: 0 auto;
}
.showcase-item h3:after {
    background-repeat: no-repeat;
    background-position: center;
    background-size: 65px;
    display: block;
    content: '';
    height: 100%;
    width: 100%;
}
.showcase-item.rpi h3:after {
    background-image: url('rpi_arduino.png');
}
.showcase-item.website h3:after {
    background-image: url('parceria.png');
}
.showcase-item.elixir h3:after {
    background-image: url('elixir.png');
}
.showcase-item.python h3:after {
    background-image: url('python.svg');
}
.showcase-item.aws h3:after {
    background-image: url('aws.svg');
}
.showcase-item.docker h3:after {
    background-image: url('docker.png');
}
#contato {
    background-color: #f1f1f1;
    color: #000;
}
#contato form {
    width: 80%;
    margin: 0 auto;
}
#contato form label {
    display: block;
    margin: 5px;
}
#contato form input {
    width: 80%;
    padding: 3px;
}
#contato form .label-txt {
    width: 19%;
    display: inline-block;
    font-size: 16px;
}
#contato form textarea {
    width: 99%;
    height: 175px;
}
#contato form input, #contato form textarea {
    border: 1px solid #999;
    outline: none;
    font-size: 16px;
}
#contato form input:focus, #contato form textarea:focus {
    border-color: #0083E0;
}
footer {
    text-align: center;
    background-color: #0D0D0D;
    color: #FFF;
    padding: 10px;
    font-size: 10px;
}
footer p {
    margin: 0;
}