App.css

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@200..800&display=swap');

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body{
  font-family: "Manrope", sans-serif;
}

.sticky_header{
  width: 100%;
  height: 80px;
  line-height: 80px;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 9999;
  background: white;
  box-shadow: 3px 3px -8px #ddd;
}

@media only screen and (max-width: 768px){
  .navigation{
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    background-color: #00000084;
    display: none;
  }
  .menu{
    width: 15rem;
    height: 100%;
    position: absolute;
    top: 0;
    right:0;
    background-color:#fff ;
    z-index: 200;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    line-height: 30px;
  }
  .show_menu{
    display: block;
  }
}