body {
    background: gray;
}

.iframeRight {
    position: fixed;
    width: 50%;
    height: 90%;
    top: 5%;
    left: 30%;
}

.navLeft {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 20%;
    height: 100%;
    background: #555;
}

.botao {
    /* height: 15%; */
    background: purple;
    border-radius: 10%;
    box-shadow: 0px 0px 0px 2px white inset;
    position: absolute;
    cursor: pointer;
}

.textoContainer {
    position: absolute;
    width: 60%;
    height: 60%;
    top: 20%;
    left: 30%;
    display: table;
}