body, html {
  height: 100%;
}

/* Custom Options */
.intro-margin {
  margin-top: 25%;
}

.section-padding {
  padding-top: 5%;
  padding-bottom: 5%;
}

.justify {
  text-align: justify;
}

.button.button-primary {
  color: black;
  background-color: white;
  border-color: #535454;
}

.button.button.button-primary:hover {
  background-color: #c4c4c4;
  color: black;
  border-color: #535454
}

.button.button-primary:focus {
  color: #FFF;
  background-color: #777777;
  border-color: #777777; }

.center {
  text-align: center;
}

.left-align {
  text-align: left;
}

.button-contact {
    font-size: 20pt;
    width: 40px;
    height: 40px;
    margin: 0 auto;
    padding: 0;
    display: inline-block;
    line-height: 40px;
    text-align: center;
}

/* Navigation Bar Options */
header {
  top: 0;
  left: 0;
  padding: 0 250px;
  background: transparent;
  position: absolute;
  width: 100%;
  box-sizing: border-box;
  height: 70px;
}

.affix {
  background-color: black;
  position: fixed;
  transition:all 0.4s linear;
  -webkit-transition:all 0.4s linear;
  -moz-transition:all 0.4s linear; 
  -o-transition:all 0.4s linear;
}

.default {
  background-color: transparent;
  margin-top: 70px;
  transition:all 0.4s linear;
  -webkit-transition:all 0.4s linear;
  -moz-transition:all 0.4s linear; 
  -o-transition:all 0.4s linear;
}

.not-visible {
  display: none;
}

header .logo {
  color: #fff;
  height: 70px;
  line-height: 70px;
  float: left;
  font-weight: bold;
}

header nav {
  float: right;
}

header nav ul {
  margin: 0;
  padding: 0;
  display: flex;
}

header nav ul li {
  list-style: none;
}

header nav ul li a {
  height: 70px;
  line-height: 70px;
  padding: 0 20px;
  color: #fff;
  text-decoration: none;
  display: block;
}

header nav ul li a:hover,
header nav ul li a.active {
  color: #a4a4a4;
}

.menu-toggle {
  color: #fff;
  float: right;
  line-height: 70px;
  font-size: 24px;
  cursor: pointer;
  display: none;
  padding-left: 10px;
  padding-right: 10px;
}

.pic-size {
  width: 300px;
}

@media (max-width: 1250px) {
  header {
    padding: 0 125px;
  }

  #my-pic-row.intro-margin {
    margin-top: 25%;
  }
}

@media (max-width: 1000px) {
  header {
    padding: 0 20px;
    position: fixed;
  }

  .default {
    margin-top: 0;
  }

  .menu-toggle {
    display: block;
  }

  header nav {
    position: absolute;
    width: 100%;
    background-color: #535454;
    top: 70px;
    left: -100%;
  }

  header nav.active {
    left: 0;
  }

  header nav ul {
    display: block;
    text-align: center;
  }

  .pic-size {
    width: 100%;
  }
}

@media (max-width: 549px) {
  #pic-row.intro-margin {
    margin-top: 0%;
  }

  .pic-size {
    width: 300px;
  }
}

@media (max-width: 380px) {
  .pic-size {
    width: 250px;
  }
}

@media (max-width: 350px) {
  .pic-size {
    width: 200px;
  }
}

.brand {
  display: inline-block;
  background-image: url("../images/logo.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  height: 70px;
  width: 70px;
}

.brand-name {
  display: inline-block;
  font-size: 18pt;
  font-weight: bold;
  margin: 0;
  top: 50%;
  -ms-transform: translate(10%, -40%);
  transform: translate(10%, -40%);
}

/* Footer Options */
.footer {
  background-color: #535454;
  width: 100%;
  padding-top: 20px;
  padding-bottom: 20px;
  text-align: center;
  color: white;
}

.copyright {
  padding: 10px;
}

/* For Sections */
.introduction {
  background-image: url("../images/background.jpg");
  background-color: #575757;
  background-blend-mode: multiply;
  height: 100%;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: white;
}

.section {
  height: auto;
  width: auto;
}

.dark-gray {
  background-color: #535353;
  color: white;
}

.light-gray {
  background-color: #cdcdcd;
}

.coder {
  background-image: url("../images/projects-background.png");
  background-color: #535353;
  background-blend-mode: multiply;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: white;
}

.skills-name {
  font-size: 18pt;
  font-weight: bold;
}