.ontop {
    position: fixed;
    z-index: 1000;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #ff4b4b;
    color: aliceblue;
    border-radius: 25%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    text-decoration: none;
    border: none;
    outline: none;
}

#ontop {
    height: 60px;
    width=60px;
    margin-top: 10%;

}

.menu-btn {
    position: fixed;
    top: 15px;
    left: 15px;
    font-size: 28px;
    cursor: pointer;
    z-index: 1000;
}

.sidebar {
    position: fixed;
    top: 0;
    left: -250px;
    width: 250px;
    height: 100%;
    background: #111;
    padding-top: 70px;
    transition: 0.3s ease;
    z-index: 999;
}

.sidebar a {
    display: block;
    padding: 15px;
    font-size: 18px;
    color:  #ff4b4b;
    text-decoration: none;
    border-bottom: 1px solid #333;
}

.sidebar.active {
    left: 0;
}

a:hover{
    text-shadow: 0 0 15px #ff4b4b;
    color: white;
}