h1 {font-size: 3em}
.Technik { background-color: powderblue; border-width: 3px; border-style: outset; text-align: left; font-size: small; vertical-align: middle }
.Leben { background-color: #DCDCDC; border-width: 3px; border-style: outset; text-align: left; vertical-align: middle; font-size: small }
.Bilder { border-width: 5px; border-style: outset }
.tabüber { background-color: slategray; color: white; text-align: center }
.tabüber2 { background-color: #33CCCC }
.tabüber3 { background-color: #33CCCC; text-align: center }
.tabunter { background-color: white; text-align: center }