table {
    border-collapse: collapse;
    width: 100%;
    max-width: 700px;
}
td {
    padding: 10px;
    vertical-align: top;
}
input, select, textarea, button {
    padding: 5px;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
}
.viga {
    color: red;
    font-size: 13px;
    display: none;
}
button {
    width: auto;
    margin-top: 10px;
    margin-right: 5px;
    cursor: pointer;
}