html {
    scroll-behavior: smooth;
}

html,
body {
    height: 100%;
    background-image: linear-gradient(#36292f, #006084);
}

.index {
    background-image: url(img/1519801549119.jpg);
}

h1 {
    text-align: center;
    font-family: "Arial", sans-serif;
    font-size: 9em;
    color: floralwhite;
}

header ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #21373d;
}

header ul li {
    display: inline;
    float: left;
}

header ul li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover {
    background-color: #111;
}

.active {
    background-color: #223e36;
}

header img {
    float: right;
    width: 10%;
}

.button {
    background-color: darkblue;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 24px;
    margin: 4px 3px;
    cursor: pointer;
    float: right;
    border: 10%;
}

.button span {
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}

.button span:after {
    content: '»';
    position: absolute;
    opacity: 0;
    top: 0;
    right: -20px;
    transition: 0.5s;
}

.button:hover span {
    padding-right: 25px;
}

.button:hover span:after {
    opacity: 1;
    right: 0;
}

h2 {
    font-size: 30px;
    text-align: justify;
    color: antiquewhite;
}

main {
    margin-left: 5%;
    margin-right: 10%;
    padding: 20px;
}

p {
    font-size: 20px;
    text-align: justify;
    color: antiquewhite;
}

main ul li a {
    font-size: 20px;
    text-align: justify;
    color: antiquewhite;
    text-decoration: none;
}