body {
  background-color: seashell;
  margin: 100px;
  
}
#topnav ul{

  text-align: right;
  list-style: none;
  letter-spacing:2px;
  padding:50px;
}

#topnav ul li {
  float: right;

}

#topnav ul li a {
  color : rgb(66, 60, 66);
  text-decoration: none;
  font-family: 'Courier New', Courier, monospace;
  font-size: 16px;
  margin:25px;
 
}


nav ul {
  display: flex;
  list-style: none;
  letter-spacing:2.5px;
  margin:25;
  
}




nav a {
  color : rgb(43, 38, 43);
  text-decoration: none;
  font-family: 'Courier New', Courier, monospace;
  font-size: 16px;

}



.menu-container {
  display: flex;
 
}


form
{
    display: inline-block;
    margin-left: auto;
    margin-right: 0px;
    text-align: left;
   
}

button {
  background-color: rgba(104, 99, 99, 0.555); 
  border-radius: 7px;
  font-family: 'Courier New', Courier, monospace;
  border: none; 
  font-size: 15px; 
  color: seashell;
}

h1 {
  color: seashell;
  font-size: 50px;
  font-family: 'Courier New', Courier, monospace ;
  font-weight: lighter;
  text-align: center;
  padding-top: 50px;
  padding-bottom: 50px;
  background-color: rgba(104, 99, 99, 0.185) ;
  letter-spacing: 8px;


}

p {
  color: rgb(104, 99, 99);
  font-size: 18px;
  font-family: 'Courier New', Courier, monospace ;
  font-weight: lighter;
}


h2 {
  color: rgb(145, 135, 135);
  font-size: 30px;
  font-family: 'Courier New', Courier, monospace ;
  font-weight: lighter;
  text-align: center ;
  padding-top: 100px;

}

h3 {
  color: rgb(145, 135, 135);
  font-size: 20px;
  font-family: 'Courier New', Courier, monospace ;
  font-weight: lighter;
  text-align: center;
  text-decoration: underline;
  padding-bottom: 5px;
}


h4 {
  color: rgb(145, 135, 135);
  font-size: 25px;
  font-family: 'Courier New', Courier, monospace ;
  font-weight: lighter;
  text-align: center;
  padding: 100px;
}

.menu-container {
  position: relative;
}

.menu-icon {
 
  cursor: pointer; 
}

.menu-bar {
  width: 30px; 
  height: 4px; 
  background-color:rgba(104, 99, 99, 0.527); 
  margin: 6px 0; 
}

.menu {
  position: absolute;
  top: 100%; 
  left: 0; 
  width: 100%; 
  background-color: rgba(255, 255, 255, 0.123);
  display: none; 
}


.menu ul {
  list-style: none; 
  padding: 0; 
  margin: 0; 
}

.menu li {
  display: block; 
}

.menu a {
  display: block; 
  padding: 10px; 
  text-decoration: none; 
  color: rgb(145, 135, 135);
}

.menu-icon:active + .menu, .menu-icon:focus + .menu {
  display: block;
}


@media screen and (max-width: 768px) {
  .menu-icon {
      display: block;
  }
  .menu {
      display: none;
  }
}


.grid-parent {

  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap: 60px;
  
}

.grid-item {
  background-color: seashell;
  
}

.big-grid-item {
  grid-column: span 4;
 
}

#header-grid {
  grid-column: span 4;

}

video {
  height: 100%;
  width: 100%;

}

img {

  height: 100%;
  width: 100%;
}

img:hover {
  opacity: 0.3;
 
}


footer {
    font-size: 15px;
    color: rgb(39, 36, 34);
    background-color: seashell;
   text-align: center;
    font-family: 'Courier New', Courier, monospace;
    padding: 100px;

}