body{
    width: 100%;
    display: flex;
    flex-direction: column;
}

.form-principal{
    width: 350px;
    margin: 10px;
}

.form-valor-adicionar{
    width: 250px;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
}

.form-valor-adicionar div{
    display: flex;
    align-items: center;
    justify-items: center;
    justify-content: space-between;
}

.form-valor-adicionar>div>input{
    width: 120px;
}

.form-produtos{
    padding: 5px 15px;
}

#tabelaDeCompras{
    width: 96%;
    margin: auto 2%;
}