.header-text {
width: 471px;
text-align: left;
}.header-text h3 {
text-align: right;
}
section{
display: flex;
display: -webkit-flex ;
-webkit-flex-direction: column;
flex-direction: column;
display:-webkit-box;
-webkit-box-orient:vertical;
}
.block1{
-webkit-box-ordinal-group: 2;
-webkit-order: 2;
order: 2;
}
.block2{
-webkit-box-ordinal-group: 1;
-webkit-order: 1;
order: 1;
}
<style>
#contacts {
float: right;
}
#map {
float: left;
}
@media screen and (max-width: 481px) {
#map, #contacts {
float: none;
}
}
</style>
<div id="contacts"></div>
<div id="map"></div>
