.header {
  font-family: 'Nunito';
  height: 100px;
  display: flex;
  flex-direction: row;
  justify-content: space-evenly;
  position: fixed;
  align-items: center;
  top: 0px;
  left: 0px;
  right: 0px;
  z-index: 100;
  background-color: rgb(0 153 255);
}

 .header button {
  font-family: "Nunito";
  font-weight: bold;
  font-size: 1.1rem;
  background: none;
  color: rgb(255, 255, 255);
  border: none;
  transition: opacity 0.1s;
 }

 .header button:hover {
  opacity: 0.8;
 }

  .header button:active {
  opacity: 0.5;
 }

 .header img{
  width: 60px;
 }

 .header .logo {
    display: flex;
    flex-direction: row;
 }