body{padding:100px;}

*{
    box-sizing:border-box;
    margin:0;
    padding:0;
}

.container{
    width:100%;
    max-width:300px;
    padding:10px;
    border:1px solid #000;
    border-radius:10px;
    margin:auto;
    background-color:#A9CEF4;
}

.formulario label{
    display:block;
    font-weight:bold;
}

.formulario input,.formulario select,.formulario textarea{
    padding:5px;
    width:100%;
    margin:16px 0;
}

.formulario textarea{
    resize:none;
    height:120px;
}

#cursoInput{
    border:2px solid #ff0000;
    display:none;
}

#cursoLabel{
    display:none;s
}