button{
    width:30%;
    height: 5vh;
    margin: 5em 13em ;
    background-color: green;
    color:white;
    border-color: white;
    border-radius: 10px;
}
button:hover{
    color: white;
    background-color: yellowgreen;
    font-size: 13px;
}
h1{
    display: none;
    font-size: 20px;
    color:blue;
}
/* audio{
    display:none;
} */
div#individual{
    width:35%;
    height:40vh;
    margin:20vh auto;
    border:2px solid saddlebrown;
    border-radius: 10px;
    box-shadow: inset 2px 3px 3px black;
    background-color:aliceblue;
}
#display{
    border: 4px solid saddlebrown;
    text-align: center;
    width: 80%;
    margin: auto;
    font-size: 1.8em;
    color:green;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    vertical-align: middle;
    height:15vh;
}