h1 {
    font-size: 28px;
    line-height: 30px;
    margin: 30px auto 18px auto;
}

a,
a:hover,
a:visited,
a:active {
    color: #ffffff;
    text-decoration: none;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #333399;
}

.main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: white;
    width: 300px;
    height: 380px;
    border-radius: 10px;
    padding: 20px 15px;
    box-sizing: border-box;
}

.main-static {
    width: auto;
    height: auto;
}
.main-template {
    width: 300px;
    height: auto;
}
.main-login {
    width: auto;
    height: auto;
}
.button {
    display: block;
    font-size: 14px;
    width: 100%;
    color: white;
    background-color: darkgrey;
    padding: 10px 18px 10px 18px;
    margin-top: 20px;
    margin-bottom: 30px;
    border-radius: 10px;
}

.hidden {
    display: none;
}

.side-menu {
    position: fixed;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    /* Menu background color + padding + rounded box */
    background-color: #ffffff;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px); /* glass effect */
}

.side-menu a {
    width: 140px;
    margin-bottom: 10px;
    text-align: center;
}

@media (max-width: 600px) {
    .side-menu {
        display: none;
    }
}