body,
ul {
  margin: 0px;
  padding: 0px;
}

a {
  color: black;
  text-decoration: none;
  font-family: sans-serif;
}


#header {
  box-sizing: border-box;
  height: 70px;
  padding: 0rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #e7e7e7;
}

#menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

#menu a {
  display: block;
  padding: 0.5rem;
  font:36px Arial, Helvetica, sans-serif;
}

#btn-mobile {
  display: none;
}


  #menu {
    display: block;
	font:36px Arial, Helvetica, sans-serif;
    position: absolute;
    width: 100%;
    top: 360px;
    right: 0px;
	float:left;
    background: #efefef;
    transition: 0.6s;
    z-index: 1000;
    height: 0;
    visibility: hidden;
    overflow-y: hidden;
  }
  #nav.active #menu {
    height: calc(160vh - 10px);
    visibility: visible;
    overflow-y: auto;
	
  }
  #menu a {
    padding: 4rem 0 6rem;
    margin: 0 1rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
	background:#263c75;
	color:#fff;
	font:36px Arial, Helvetica, sans-serif;
	-webkit-transition:	all 0.5s linear;
	-moz-transition: all 0.5s linear;
	-o-transition: all 0.5s linear;
  }
  #menu a:hover {
    padding: 4rem 0 6rem;
    margin: 0 1rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
	background:#f4cc0b;
	color:#fff;
	-webkit-transition:	all 0.5s linear;
	-moz-transition: all 0.5s linear;
	-o-transition: all 0.5s linear;
  } 
  #btn-mobile {
    display: flex;
    padding: 0.5rem 2rem;
    font-size: 1rem;
    border: none;
    background: none;
    cursor: pointer;
    gap: 0.5rem;
  }
  #hamburger {
    margin:0px -30px 0px;
    border-top: 20px solid;
    width: 130px;
	color:#263c75;
  }
  #hamburger::after,
  #hamburger::before {
    content: '';
    display: block;
    width: 130px;
    height: 20px;
    background: currentColor;
    margin-top: 5px;
    transition: 0.3s;
    position: relative;
	background:#263c75;
	
  }
  #nav.active #hamburger {
    border-top-color: transparent;
	
  }
  #nav.active #hamburger::before {
    transform: rotate(135deg);
	transition: 0.3s;
	
  }
  #nav.active #hamburger::after {
    transform: rotate(-135deg);
    top: -22px;
	transition: 0.5s;
	
  }