body {
    margin: 0;
}
#botonera {
    position: absolute;
    top: 10px;
    left: 10px;
}
#botonera button {
    font-size: 16px;
    margin-right: 10px;
}
#loading {
    position: absolute;
    left: calc(50% - 220px);
    top: calc(50% - 150px);
}
#panel {
    position: absolute;
    left: 3rem;
    bottom: 10rem;
}
#panel label {
    font-family: arial;
    font-size: 1.5rem;
    background-color: #ffffff;
    opacity: .8;
    padding: .7rem 1rem;
    border-radius: 1rem;
    margin-left: .7rem;
    vertical-align: middle;
}
.mic-button {
    width: 5rem;
    vertical-align: middle;
}
#waiting {
    width: 200px;
    height: 80px;
    position: absolute;
    left: calc(50% - 100px);
    top: calc(10% - 40px);
    overflow: hidden;
    background-image: url(/img/waiting.gif);
    background-position: -123px -102px;
    opacity: .8;
    border-radius: 20px;
    display: none;
}
#title {
    font-family: arial;
    font-size: 2rem;
    font-weight: bold;
    color: white;
    position: absolute;
    top: calc(5% - 10px);
    left: 3rem;
}