* {
    margin: 0;
    padding: 0;
    user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-user-select: none;
    font-family: Helvetica, Arial, sans-serif;
}

body {
    background-color: #282828;
    width: 100%;
    height: 100%;
    overflow-y: hidden;
    position: fixed;
    z-index: -99;
    top: 0;
}

nav {
    width: 100%;
    top: 40px;
    position: absolute;
    text-align: right;
}

.navbtn {
    display: inline-block;
    margin-right: 30px;
}

.navbtn a {
    text-decoration: none;
    padding: 8px 8px 8px 8px;
    transition: all 0.4s ease;
    font-size: 18px;
    cursor: pointer;
    color: white;
}

.navbtn a:hover {
    color: #FFAE00;
    font-size: 21px;
}

.container {
    text-align: center;
    margin-top: -moz-calc(100% / 10);
    margin-top: -webkit-calc(100% / 10);
    margin-top: calc(100% / 10);
}

.logo {
    display: inline-block;
    vertical-align: middle;
    margin-right: -45px;
    margin-left: -45px;
    width: 256px;
    height: 256px;
}

.name {
    display: inline-block;
    vertical-align: middle;
    color: white;
    font-size: 80px;
}

.description {
    text-align: center;
    color: white;
    width: 60%;
    margin: 0 auto;
}

.getapp {
    text-align: center;
    margin-top: -moz-calc(100% / 30);
    margin-top: -webkit-calc(100% / 30);
    margin-top: calc(100% / 30);
    color: white;
}

.getbtn {
    border: solid 1px white;
    padding: 10px 0 10px 0;
    width: 160px;
    display: inline-block;
    margin-left: 20px;
    margin-right: 20px;
    transition: all 0.4s ease;
}

.apple {
    text-decoration: none;
    color: dodgerblue;
    border-color: dodgerblue;
}

.google {
    text-decoration: none;
    color: limegreen;
    border-color: limegreen;
}

.apple:hover {
    color: white;
    border-color: dodgerblue;
    background-color: dodgerblue;
}

.google:hover {
    color: white;
    border-color: limegreen;
    background-color: limegreen;
}

.google:hover #second {
    display: block;
}

.google:hover #first {
    display: none;
}

#second {
    display: none;
}

footer {
    bottom: 5px;
    right: 5px;
    position: absolute;
}

footer a {
    text-decoration: none;
    color: white;
    font-size: 12px;
    transition: all 0.4s ease;
}

footer a:hover {
    color: #FFAE00;
}

.contract {
    color: white;
}

.contract header {
    margin: 20px auto 20px auto;
    padding: 20px 20px 20px 20px;
    border-bottom: solid 1px white;
    text-align: center;
    font-size: 40px;
    width: 60%;
}

.contract section {
    font-size: 17px;
    text-align: justify;
    margin: auto;
    width: 60%;
}

.contract section ul {
    list-style: square;
}

.contract section ul li {
    margin-bottom: 10px;
}

.back {
    margin-left: 15%;
    margin-top: 100px;
}

.back a {
    text-decoration: none;
    padding: 10px 20px 10px 20px;
    transition: all 0.4s ease;
    font-size: 17px;
    cursor: pointer;
    color: white;
}

.back a:hover {
    color: #FFAE00;
    font-size: 20px;
}