*{
    background-color: cornflowerblue;
}

.interface{
    margin: 0%;
    padding: 0%;
    height: 50px;
    width: 50px;
    font-size: 20px;
    background-color:#666;
    cursor: pointer;
    border-radius: 10%;
    
}

.visor{
    margin: 0%;
    padding: 0px;
    height: 25px;
    width: 20%;
    border-radius: 10%;

}

.interface:hover{
    background-color: white;
}

#tela{
    margin: 50px;
    padding: 30px;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
}