#main {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    margin: auto;
    width: 50vw;
    height: 50vh;
    padding: 10px;
    width: 40vw;
    text-align: center;
}

.custom-file-container__custom-file {
    text-align: left;
}

.custom-file-container__image-preview {
    width: 100%;
    overflow: hidden;
    padding-top: 75%;
}

#sound {
    width: 100%;
    margin-top: 20px;
    margin-bottom: 40px;
}