@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@700&display=swap');
body {
    background-color: #1b1b1b;
    font-family: 'Open Sans', sans-serif;
    user-select: none;
}

header a {
    font-size: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #efefef;
    text-decoration: none;
}

div {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

ul li {
    display: block;
    float: left;
}

li ul {
    display: none;
}

div ul li a {
    margin: 0px 2.5px 5px;
}

ul li a {
    display: block;
    font-size: 20px;
    background-color: #2b2b2b;
    padding: 10px;
    text-decoration: none;
    width: 150px;
    color: #efefef;
    border-radius: 25px;
    text-align: center;
}

ul li a:hover {
    background: #3b3b3b;
    color: white;
    transition: background-color 0.25s;
}

li:hover ul {
    display: block;
    position: absolute;
}

li:hover li {
    float: none;
}

li:hover a {
    color: #efefef;
}

li:hover li a:hover {
    width: 150px;
}


/* background-color: #4d4d4d; */


/* background-color: #373737; */