#kursleiter-builder-root {
    padding: 20px;
    background: #fff;
}
table.kurs-grid {
    border-collapse: collapse;
    width: 100%;
    margin-top: 10px;
}
table.kurs-grid td {
    border: 1px solid #ddd;
    padding: 5px;
    text-align: center;
}
.kursleiter-icon-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 100%;
}

.kursleiter-icon-wrapper img.kursleiter-icon {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}
td input, td select {
    width: 100%;
}