body{
  font: 15px/1.5 Arial, Helvetica, sans-serif;
  background-color: #333;
  text-align: center;
  color: #fff;
  padding: 0;
  margin: 0;
}

ul{
  list-style: none;
  text-align: left;
  padding-left: 2px;

}

li:hover{
  background-color: lightblue;
}

a{
  color: #fff;
  text-decoration: none;
}

.container{
  margin-left: 10%;
  margin-right: 10%;
}

h1 {
  padding-top: 25px;
}

/* Navigation */
#navigation{
  display: none;
}

#headerButton{
  float: left;
  position: relative;
  background-color: inherit;
  border: none;
  margin-top: 10px;
  margin-left: 20px;
}

#headerButton:hover{
  background-color: lightblue;
}

#headerButton .bar{
  width: 30px;
  height: 5px;
  background-color: black;
  margin: 5px 0;
  }

#dropDownMenuItems{
  float: left;
  position: absolute;
  margin-top: 40px;
  margin-left: 25px;
  padding-left: 0;
  background-color: gray;
  padding-right: 10px;
  visibility: hidden;
  opacity: 0;
  transition: opacity .5s linear;
}

#dropDownMenuItems a{
  color: black;
}

/* show case */

#showcase{
  min-height: 450px;
}

#showcase .bg-image{
  position: absolute;
  background-image: url("img/desk.jpg");
  min-height: 450px;
  background-size: cover;
  width: 100%;
  height: 450px;
  z-index: -1;
  opacity: .7;
}

#showcase h3{
  padding-top: 150px;
  font-size: 30px;
  font-family: cursive, Helvetica, sans-serif;
}

#showcase h1{
  font-size: 50px;
  font-family: cursive, Helvetica, sans-serif;
}

hr {
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid #ccc;
    margin: 1em 0;
    padding: 0;
}

/* About Section - Section a */
#section-a{
  background-color: white;
  color: #333;
  padding-bottom: 25px;
}

/* Work Experiencs */
#section-b{
  padding-bottom: 25px;
}

/*Project*/
#section-c{
  background-color: #fff;
  color: #333;
  padding-bottom: 25px;
}

.box{
  margin-left: 10%;
  margin-right: 10%;
}

.box img{
  width: 250px;
  height: 250px;
  padding: 10px 0 20px 0;
}

/*footer*/
footer ul{
  text-align: center;
}

/*mdeia Queries*/
@media (min-width:768px) {
  footer ul{
    text-align: center;
    margin-left: 8%;
  }

  .grid{
    display: grid;
    grid-template-columns: 1fr repeat(2, minmax(auto, 30em)) 1fr;
  }

  li{
    display: inline-block;
    margin-right: 10%;
    text-align: center;
  }

  .grid1{
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .container{
    grid-column: 2/4;
  }

  #navigation{
    display: block;
    visibility: visible;
    grid-column: 2/4;
  }

  #navigation ul{
    text-align: center;
  }

  #headerButton{
    display:none;
  }

  #dropDownMenuItems{
    display: none;
  }

  #box1{
    grid-column: span 2;
  }

  #box2{
    grid-column:span 2;
  }

  #box3{
    grid-column: span 2;
  }

  #box4{
    grid-column: span 2;
  }

}