* {
    box-sizing: border-box;
}

body {
    padding: 20px;
}

h1 {
    font-family: Arial, Helvetica, sans-serif;
    text-decoration-color: darkcyan;
    text-decoration-line: underline;
    color: palevioletred;
}

h2 {
    font-family: Arial, Helvetica, sans-serif;
    color: gray;
    margin-bottom: 30px;
}

#uploadBtn {
    display: none;
}

.button {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 30px;
    background-color: turquoise;
    border: 2px solid aquamarine;
    border-radius: 5px;
    display: inline-block;
    padding: 6px 12px;
    cursor: pointer;
    color:white;
    margin: 4px;
    outline: none;
}

.button:hover {
    border: 2px solid turquoise;
    background-color: white;
    color: black;
}

.button:disabled {
    color:white;
    border: 2px solid rgb(160, 160, 160);
    cursor: initial;
    background-color: gray;
}

.activated {
    background-color: red;
    border: 2px solid salmon;
}

.activated:hover {
    border: 2px solid red;
}

#audioContainer {
    margin-top: 16px;
}

audio {
    outline: none;
    margin: 4px;
}