.audiofile {
    position: relative;
    overflow: hidden;
    /* margin-top: -20%; */
    width: 100%;
    border: none;
    border-radius: 0;
    font-size: 15px;
    border-radius: 3px;
    /* background: #212529b8; */
    /* background: transparent; */
}

.audiofile input {
    position: absolute;
    opacity: 0;
    right: 0;
    top: 0;
    cursor: pointer;
}

.audiofile:visited {
/* .audiofile:valid { */
    background-color: black;
}