*{
    padding: 0;
    margin: 0;
}
header a{
    background-color: white;
    color: #519ea0;
    text-decoration: none;
}
header img{
    width: 700px;
}
main{
    width: 700px;
    background-color: #9ce09f;
}
.thema{
    display: flex;
    padding: 20px;
    flex-direction: row;
}
.thema .icon{
    padding: 0px 20px;
}
.thema .icon img{
    width: 100px;
}
.thema .keyword{
    text-align: center;
}
.about{
    padding: 20px;
    text-align: left;
}
.boxs{
    display: flex;
    align-items: center;
    flex-direction: column;
    width: 100%;
    height: auto;
}
.box{
    display: flex;
    align-items: center;
    flex-direction: row;
    width: 100%;
    height: 100px;
    padding: 30px;
}
.boxleft{
    width: 300px;
    padding-left: 50px;
}
.boxleft img{
    width: 200px;
    height: auto;
}
.boxright{
    width: 300px;
}