.header-div {
    display: flex;
    width: 100%;
}

.header-div a {
    text-decoration: none;
    font-weight: bold;
    font-size: 1.5rem;
    color: inherit;
}

.header-div div {
    margin: 1rem;
}

.content-div {
    margin: 2rem;
}

.fancy-line {
    border: 0;
    height: 1px;
    position: relative;
    margin: 0.5em 0;
}

.fancy-line:before {
    top: -0.5em;
    height: 1em;
}

.fancy-line:after {
    height: 0.5em;
    top: calc(-0.5em + 1px);
    /* adjusted this */
}

.fancy-line:before,
.fancy-line:after {
    content: '';
    position: absolute;
    width: 100%;
}

.fancy-line,
.fancy-line:before {
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0) 75%);
}

body,
.fancy-line:after {
    background: #f4f4f4;
}

.left-column {
    border-right: 1px solid black;
    box-shadow: 0 0 0 1;
    padding: 2rem;
}

.right-column {
    padding: 2rem;
}

.vehicle-item {
    display: flex;
    flex-direction: row;
}

.vehicle-item img {
    width: 32px;
}

.vehicle-item:nth-child(2) {
    background: lightgray;
}

.driveData {
    width: 100%;

}

.driveData tr:nth-child(2) {
    background-color: lightgray;
}

.driveData .result-bad {
    color: red;
}

.driveData .result-medium {
    color: blue;
}

.driveData .result-good {
    color: green;
}

.loginform {
    border: 1px solid black;
    border-radius: 5px;
    width: 30%;
    padding: 1rem;

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.loginform label{
    width: 100%;
}

.loginform input{
    margin: 0.5rem;
}

.loginform .error{
    color: red;
    font-weight: bold;
}