table {
    font-family: Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
}

td, th {
    border: 1px solid #ddd;
    padding: 8px;

}

#valmis {
    color:red;
}


tr:nth-child(even){
    background-color: #f2f2f2;
}

tr:hover {
    background-color: #ddd;
}

th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: black;
    color: white;
}
nav {
    font-family: Arial, Helvetica, sans-serif;
    background-color: black;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

nav li {
    float: left;
    border-right: 1px solid #ddd;
}

nav li:last-child {
    border-right: none;
}

nav li a {
    display: block;
    color: white;
    text-align: left;
    padding: 12px 16px;
    text-decoration: none;
}

nav li a:hover {
    background-color: #ddd;
    color: black;
}
#log{
    text-align: right;
}
#tere{
    color: white;
}
body {

    background-color: #f2f2f2;
    margin: 0;
    justify-content: center;
    align-items: center;
}


form {
    background-color: white;
    padding: 25px 30px;
    border: 1px solid #ddd;
    width: 300px;
}

form input[type="text"],
form input[type="password"] {
    width: 100%;
    padding: 8px;
    margin: 6px 0 15px 0;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: black;
    color: white;
    border: none;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #ddd;
    color: black;
}