header {
  height: 7em;
}
header img {
  max-height: 7em;
  margin: 0;
}
#contact-us .content{
    display: block;
}

#contact-us .flex-box {
  width: 100%;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    padding: 5%;
}

#joinus {
  display: flex;
  flex-direction: column;
  grid-gap: 10px;
}

#joinus * {
  font-size: 1.2em;
}