body, ul {
    margin: 0;
    padding: 0;
    background-color: #000000;
}
ul {
    list-style: none;
}
.title, .btn {
    font-size: 30px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    width: 100%;
    height: 100px;
    color: #ffffff;
    background: linear-gradient(to top, #000000, #565656);
    border-bottom: 2px solid #686868;
}
.lv, .btn {
    text-decoration: none;
    color: #e5ff00;
    font-size: 30px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 50px;
    margin: 0;
    padding: 0;
    width: 100%;
}
.lv:hover, .btn:hover {
    color: #ffffff;
    transform: translateY(-10px);
    background: linear-gradient(to top, #383838, #727272);
}