body{
    display: flex;
    flex-direction: row;
    width: 100vw;
    height: 100vh;
}

.ativa{
    display: flex;
}
.inativa{
    display: none;
}
#confirma-presenca{
    position: fixed;
    flex-direction: column;
    justify-content: center;
    align-content: center;
    align-items: center;
    alignment-adjust: central;
    width: 100vw;
    height: 100vh;
    left: 0px;
    top: 0px;
    background-color: rgba(200, 200, 127, 0.7);
    z-index: 10;
    
}
#confirma-presenca > div{
    width: 90%;
    max-width: 500px;
    background-color: #fff;
    padding: 15px;
}
header{
    flex-direction: column;
    width: calc(100vw - 30px);
    background-color: #6495ED;
    padding: 30px;
    margin: 15px;
    justify-content: center;
    align-content: center;
    align-items: center;
    alignment-adjust: central;
    
}
header > button{
    margin: 5px;
}
#divRol{
    flex-direction: column;
    justify-content: center;
    align-content: center;
    align-items: center;
    alignment-adjust: central;
    width: 100vw;
    margin-top: 5px;
    margin-bottom: 5px;
}
#divRol > form{
    background-color: #F5DEB3;
    padding: 30px;
}