body {
    background-image: url("/images/tausta.png");
    background-repeat: no-repeat;
    background-position: center top;
    background-attachment: fixed;
    background-size: cover;
  }

#top-logo {
    width: 6em;
    opacity: 0.4;
}

#top-logo:hover {
    opacity: 1;
}

nav {
    color: black;
    margin-top: 1em;
    position: fixed;
    right: 0;
}

a {
    text-decoration: none;
    color: black;
    font-family: "Roboto", sans-serif;
    font-weight: 300;
    font-style: normal;
}

nav a {
    padding-left: 3em;
}

button {
    position: fixed;
    top: 7em;
    left: 1em;
    background-color: #3fb3f69a;
    border: none;
    border-radius: 2em;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
}

#voka {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 8em;
    width: 50%;
    text-shadow: 10px 10px;
    z-index: 1;
}

h1 {
    position: fixed;
    right: 1em;
    bottom: 0;
    color: white;
    font-family: Roboto, sans-serif;
    font-weight: 300;
    animation: alternate;
}

.nuolet {
    position: fixed;
    right: 1em;
    bottom: 1em;
    width: 3.5em;
    opacity: 0.4;
}

.nuolet:hover {
    opacity: 1;
}