*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}
body{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(#a72095 , #353ba5);
}
#container{
    position: relative;
    cursor: pointer;
    padding: 7px;
    font-size: 25px;
    font-weight: bold;
}
#tooltip-content{
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    background-color: black;
    color: white;
    white-space: nowrap;
    padding: 10px 15px;
    border-radius: 10px;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.5s ease;
}
#tooltip-content ::before{
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    border: 15px solid;
    border-color: #000 #0000 #0000 #0000;
}
#container:hover #tooltip-content{
    top: -120px;
    visibility: visible;
    opacity: 1;
}