body, html
{
margin: 0;
padding: 0;
width: 100%;
font-family: Arial, sans-serif;
}

header 
{
width: 100%;
}

header img 
{
width: 100%;
height: auto;
display: block;
}

.centered-text {
text-align: center;
margin: 1cm 1cm;
}

.left-aligned-text {
text-align: left;
margin-left: 1cm;
margin-right: 1cm;
}

.headline {
display: flex;
align-items: center;
}

.headline img {
height: 1cm;
margin-right: 0.5cm;
}