*{
    padding: 0;
    margin: 0;
}
body{
    width: 100vw;
    height: 100vh;
    background-color: #181818;
}

header{
    max-width: 1440px;
    width: 100vw;
    height: 20vh;
    margin-left: auto;
    margin-right: auto;
}
.brand{
    display: block;
    float: left;
    width: 480px;
}
.brand img{
    float: left;
    width: 9vh;
    vertical-align: middle;
    margin: 0.7vh;
}
.brand-title{
    float: left;
    font-size: 2.2em;
    padding-top: 3vh;
    color: rgb(243, 130, 0);
}
.brand p{
    float: left;
    font-size: 1em;
    color: white;
}

nav{
    display: block;
    float: left;
    width: 960px;
    padding-top: 3vh;
}
nav ul{
    float: right;
    display: block;
    list-style: none;
}
nav ul li {
    float: left;
    padding: 1em 1.5em;
    display: block;
}
nav ul li a{
    text-decoration: none;
    color: white;
}
nav ul li a:hover{
    color: rgb(243, 130, 0);
}
nav ul li a:active{
    color: rgb(243, 130, 0);
}

section{
    max-width: 1440px;
    width: 100vw;
    margin-left: auto;
    margin-right: auto;
    color: white;
    text-align: center;
}

footer{
    max-width: 1440px;
    width: 100vw;
    height: 20vh;
    margin-left: auto;
    margin-right: auto;
    color: white;
}
footer p{
    padding-top: 2vh;
    font-size: 1.5em;
    text-align: center;
}
footer a{
    text-decoration: none;
    color: rgb(243, 130, 0);
}
.demo{
    margin-top: 10vh;
    margin-bottom: 10vh;
    font-size: 5rem;
}