body {
    font-family: 'Arial';
    margin: 0;
}

header {
    position: fixed;
    width: 100vw;
    height: 15vh;
    background-color: #465cff;
    border-radius: 12px;
    align-content: center;
    top: 0;
}

header img {
    position: fixed;
    width: 8vh;
    margin-left: 6vh;
    top: 3.5vh;
}

header h {
    font-size: 5vh;
    color: white;
    margin-left: 20vh;
}

header h:active {
    transform: translateY(0.4vh);
}

header h::after {
    animation-name: switch_html_animation;
    animation-duration: 1s;
    animation-timing-function: ease;
}

a {
    color: white;
    text-decoration: none;
}

.menu {
    position: fixed;
    height: 85vh;
    width: 15vh;
    top: 15vh;
    background-color: white;
    border-right: 3px solid #000000;
}

.menu .button {
    width: 14vh;
    height: 6vh;
    margin: auto;
    margin-top: 6vh;
    display: block;
    border-radius: 1.5vh;
    background-color: #465cff;
    font-size: 2vh;
    font-weight: bold;
    text-align: center;
    align-content: center;
    box-shadow: 0 0.5vh 0 black;
    color: white;
}

.button {
    width: 30vh;
    height: 6vh;
    margin-left: 0px;
    margin-top: 6vh;
    display: block;
    border-radius: 1.5vh;
    background-color: #465cff;
    font-size: 2vh;
    font-weight: bold;
    text-align: center;
    align-content: center;
    box-shadow: 0 0.5vh 0 black;
    color: white;
}

@keyframes button_animation {
    to {background-color: #ffc800}
}

.button:hover {
    animation-name: button_animation;
    animation-duration: 0.7s;
    animation-timing-function: ease;
    animation-fill-mode: forwards;
}

.button:active {
    transform: translateY(3px);
    box-shadow: 0 0 0 black;
}

#div {
    position: static;
    width: 70vw;
    margin-top: 22vh;
    margin-left: calc(20vh + ((100vw - 15vh - 70vw) / 2));
    text-align: left;
}

#div .button {
    margin-bottom: 6vh;
}

h1 {
    font-size: 5vh;
    text-align: center;
    margin-bottom: 10vh;
}

h2 {
    font-size: 4vh;
}

p {
    font-size: 3vh;
    margin-bottom: 6vh;
}

footer {
    position: fixed;
    width: 100vw;
    height: 10vh;
    background-color: #202020;
    bottom: 0;
}