body {
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: 18px;
  line-height: 34px;
  color: #777;
  background: url("../images/Backgrounds_in_CSS.jpg");
}

* {
  box-sizing: border-box;
}

/* general */

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  clear: both;
}

h1,
h2,
h3,
p {
  margin-bottom: 20px;
}

p:last-child {
  margin-bottom: 0;
}

h1,
h2,
h3 {
  font-family: Georgia, Times, "Times New Roman", serif;
  font-weight: 700;
  color: #4aaaa5;
}

h1 {
  padding-bottom: 20px;
  font-size: 30px;
  line-height: 49px;
  border-bottom: 3px solid #ddd;
}

h2,
h3 {
  font-size: 22px;
}

/* header */

#masthead {
  position: fixed;
  z-index: 99;
  width: 100%;
  margin: 0 0 30px;
  overflow: auto;
  color: #fff;
  background: #fff;
  border-bottom: 2px solid #ccc;
}

#logo {
  float: left;
  width: 300px;
  height: 90px;
  font-family: Georgia, Times, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 700;
  line-height: 90px;
  color: #fff;
  text-align: center;
  text-decoration: none;
  background: #4aaaa5;
}

nav {
  float: right;
  margin-top: 25px;
}

nav a {
  display: inline-block;
  padding-left: 15px;
  margin-left: 15px;
  line-height: 18px;
  color: #999;
  text-decoration: none;
  border-left: 1px solid #efefef;
}

nav a:first-child {
  border-left: 0 none;
}

/* footer */

footer {
  padding: 30px 0;
  clear: both;
  font-size: 12px;
  color: #fff;
  color: #ccc;
  text-align: center;
  background: #666;
  border-top: 8px solid #4aaaa5;
}

/* sidebar */

.sidebar {
  float: right;
  width: 100%;
  max-width: 270px;
  padding: 30px;
  margin-bottom: 20px;
  background: #fff;
  border: 1px solid #ddd;
}

h3,
.sidebar h2 {
  padding-bottom: 20px;
  margin-bottom: 15px;
  line-height: 22px;
  border-bottom: 2px solid #eee;
}

.sidebar a {
	text-decoration: none;
}

.social {
  width: 62px;
  height: 62px;
  margin-top: 8px;
  margin-right: 5px;
}

.social:last-child {
  margin-right: 0;
}

/* main */

#main-container {
  padding-top: 130px;
}

.main-section {
  float: left;
  width: 100%;
  max-width: 650px;
  padding: 30px;
  margin: 0 0 40px;
  background: #fff;
  border: 1px solid #ddd;
}

.auth-image {
  float: left;
  width: 200px;
  height: auto;
  margin-top: 10px;
  margin-right: 25px;
}

/* portfolio page */

.work {
  position: relative;
  float: left;
  width: 274px;
  margin: 20px 0 25px;
  overflow: auto;
}

.work:nth-child(even) {
  margin-right: 80px;
}

.work img {
  width: 100%;
  border: 0 none;
}

.work h3 {
  position: absolute;
  bottom: 20px;
  width: 100%;
  padding: 15px;
  margin-bottom: 0;
  font-weight: 300;
  line-height: 30px;
  color: #fff;
  text-align: center;
  background: #4aaaa5;
  border-bottom: 0;
}

/* contact page */

#contact-form ul {
  margin-bottom: 20px;
}

#contact-form li {
  margin-bottom: 10px;
}

label,
input[type=text],
input[type=email],
textarea {
  display: block;
  width: 100%;
}

input[type=text],
input[type=email],
textarea {
  height: 35px;
  padding: 0 10px;
  font-size: 14px;
  border: 1px solid #ddd;
}

textarea {
  height: 200px;
}

input[type=submit] {
  padding: 10px 30px;
  font-size: 18px;
  color: #fff;
  cursor: pointer;
  background: #4aaaa5;
  border: 0 none;
}

/* Set breakpoints at 980px, 768px, and 640px screen widths */

@media only screen and (min-width: 980px) {

  .auth-image {
  	float: none;
  	width: 100%;
    height: auto;
  }

  	body { 
  		margin: 0 auto; 
  	}

  /* portfolio page - make the examples in one column */

  .work {
    float: none;
    width: 100%;
  }

  .work:nth-child(even) {
    margin-right: 40px;
  }

}

@media only screen and (max-width: 979px) and (min-width: 768px) {
  .container {
    max-width: 700px;
  }

	body { 
		margin: 0 auto; 
  }

  .sidebar {
  	max-width: 100%;
    float: left;
  }

  .main-section {
  	max-width: 100%
  }

	.auth-image {
		width: 50%;
	}

}

@media only screen and (max-width: 767px) and (min-width: 640px) {
  .container {
    max-width: 600px;
  }

	body { 
		margin: 0 auto; 
  }

  .sidebar {
  	max-width: 100%;
    float: left;
  }

  .main-section {
  	max-width: 100%
  }  

  .auth-image {
		width: 50%;
	}
}

@media only screen and (max-width: 639px) {
  .container {
    max-width: 500px;
  }

  .sidebar {
  	max-width: 100%;
    float: left;
  }

  .main-section {
  	max-width: 100%;
    margin-right: 15px;
    margin-left: 15px;
  } 

  #logo {
    width: 100%;
    height: 50px;
    font-size: 24px;
  	line-height: 50px;
	}

  #masthead {
    position: static;
  }

	nav {
		float: none;
		text-align: center;
    margin: auto;
	}

  nav a {
    width: 33.3%;
    float: left;
    padding: 15px 0px 15px 0px;
    margin: 0px;
  }

	h1 {
		font-size: 24px;
		padding-bottom: 0px;
	}

	h2,
	h3 {
		font-size: 20px;
	}

	body {
		font-size: 16px;
		line-height: 30px;
	}

	.main-section,
	.sidebar {
		padding: 20px;
    max-width: 300px;
    margin-left: 30px;
	}

  #main-container {
    padding-top: 0px;
  }

  .auth-image {
    float: none;
    width: 100%;
    height: auto;
  }

  footer {
    padding: 20px 0;
  }

  .work {
    float: none;
    width: 100%;
  }
}