* {
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    width: 100%;
    height: 100vh;
    font-family: "Exo", sans-serif;
    color: #fff;
    background: linear-gradient(-45deg, #855d51, #c45d84, #155a74, #23d5ab);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

ul {
    display: none;
    position: fixed;
    top: 100px;
    left: 100px;
    width: 160px;
    border: 1px solid #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px #ddd;
}

li {
    padding-left: 15px;
    height: 50px;
    line-height: 50px;
    list-style: none;
    transition: .3s;
}

li:last-child {
    border: none;
}

li:hover {
    background-color: rgba(0, 0, 0, .4);
    color: #fff;
    box-shadow: 0 0 3px #00afb4;
}

a {
    text-decoration: none;
    color: #fff;
}