html, body {
  height: 100%;
}

body {
  font-family: 'Lato'; 
  height: 100%;
  background-image: url("../img/background.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  font-family: 'Montserrat'; }

section {
  padding: 6rem 0; }
  section h2 {
    font-size: 2.25rem;
    line-height: 2rem; }
  @media (min-width: 992px) {
    section h2 {
      font-size: 3rem;
      line-height: 2.5rem; } }

.btn-xl {
  padding: 1rem 1.75rem;
  font-size: 1.25rem; }

.btn-social {
  width: 3.25rem;
  height: 3.25rem;
  font-size: 1.25rem;
  line-height: 2rem; }

.scroll-to-top {
  z-index: 1042;
  right: 1rem;
  bottom: 1rem;
  display: none; }
  .scroll-to-top a {
    width: 3.5rem;
    height: 3.5rem;
    background-color: rgba(33, 37, 41, 0.5);
    line-height: 3.1rem; }

#mainNav {
  padding-top: 1rem;
  padding-bottom: 1rem;
  font-weight: 700;
  font-family: 'Montserrat'; }
  #mainNav .navbar-brand {
    color: #fff; }
  #mainNav .navbar-nav {
    margin-top: 1rem;
    letter-spacing: 0.0625rem; }
    #mainNav .navbar-nav li.nav-item a.nav-link {
      color: #fff; }
      #mainNav .navbar-nav li.nav-item a.nav-link:hover {
        color: #18BC9C; }
      #mainNav .navbar-nav li.nav-item a.nav-link:active, #mainNav .navbar-nav li.nav-item a.nav-link:focus {
        color: #fff; }
      #mainNav .navbar-nav li.nav-item a.nav-link.active {
        color: #18BC9C; }
  #mainNav .navbar-toggler {
    font-size: 80%;
    padding: 0.8rem; }

@media (min-width: 992px) {
  #mainNav {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    -webkit-transition: padding-top 0.3s, padding-bottom 0.3s;
    -moz-transition: padding-top 0.3s, padding-bottom 0.3s;
    transition: padding-top 0.3s, padding-bottom 0.3s; }
    #mainNav .navbar-brand {
      font-size: 2em;
      -webkit-transition: font-size 0.3s;
      -moz-transition: font-size 0.3s;
      transition: font-size 0.3s; }
    #mainNav .navbar-nav {
      margin-top: 0; }
    #mainNav .navbar-nav > li.nav-item > a.nav-link.active {
      color: #fff;
      background: #18BC9C; }
      #mainNav .navbar-nav > li.nav-item > a.nav-link.active:active, #mainNav .navbar-nav > li.nav-item > a.nav-link.active:focus, #mainNav .navbar-nav > li.nav-item > a.nav-link.active:hover {
        color: #fff;
        background: #18BC9C; }
  #mainNav.navbar-shrink {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem; }
    #mainNav.navbar-shrink .navbar-brand {
      font-size: 1.5em; } }

header.masthead {
  padding-top: calc(6rem + 72px);
  padding-bottom: 6rem; }
  header.masthead h1 {
    font-size: 3rem;
    line-height: 3rem; }
  header.masthead h2 {
    font-size: 1.3rem;
    font-family: 'Lato'; }

@media (min-width: 992px) {
  header.masthead {
    padding-top: calc(6rem + 106px);
    padding-bottom: 6rem; }
    header.masthead h1 {
      font-size: 4.75em;
      line-height: 4rem; }
    header.masthead h2 {
      font-size: 1.75em; } }

.portfolio {
  margin-bottom: -15px; }
  .portfolio .portfolio-item {
    position: relative;
    display: block;
    max-width: 25rem;
    margin-bottom: 15px; }
    .portfolio .portfolio-item .portfolio-item-caption {
      -webkit-transition: all ease 0.5s;
      -moz-transition: all ease 0.5s;
      transition: all ease 0.5s;
      opacity: 0; 
      }
      .portfolio .portfolio-item .portfolio-item-caption:hover {
        opacity: 1; }
      .portfolio .portfolio-item .portfolio-item-caption .portfolio-item-caption-content {
        font-size: 1.5rem; }
  @media (min-width: 576px) {
    .portfolio {
      margin-bottom: -30px; }
      .portfolio .portfolio-item {
        margin-bottom: 30px; } }


  .filter-btn {
    border-radius: 0;
    color: white;
  }

  .filter-btn:focus {
    outline-style: none;
    box-shadow: none;
    border-color: inherit;
    -webkit-box-shadow: none;
  }

  .active-btn {
    background-color: transparent !important;
  }

  .colour1 {background-color: #00796b;}
  .colour2 {background-color: #2196f3;}
  .colour3 {background-color: #673ab7;}
  .colour4 {background-color: #c2185b;}
  .colour5 {background-color: #3f51b5;}



.floating-label-form-group {
  position: relative;
  border-bottom: 1px solid #e9ecef; }
  .floating-label-form-group input,
  .floating-label-form-group textarea {
    font-size: 1.5em;
    position: relative;
    z-index: 1;
    padding-right: 0;
    padding-left: 0;
    resize: none;
    border: none;
    border-radius: 0;
    background: none;
    box-shadow: none !important; }
  .floating-label-form-group label {
    font-size: 0.85em;
    line-height: 1.764705882em;
    position: relative;
    z-index: 0;
    top: 2em;
    display: block;
    margin: 0;
    -webkit-transition: top 0.3s ease, opacity 0.3s ease;
    -moz-transition: top 0.3s ease, opacity 0.3s ease;
    -ms-transition: top 0.3s ease, opacity 0.3s ease;
    transition: top 0.3s ease, opacity 0.3s ease;
    vertical-align: middle;
    vertical-align: baseline;
    opacity: 0; }
  .floating-label-form-group:not(:first-child) {
    padding-left: 14px;
    border-left: 1px solid #e9ecef; }

.floating-label-form-group-with-value label {
  top: 0;
  opacity: 1; }

.floating-label-form-group-with-focus label {
  color: #18BC9C; }

form .row:first-child .floating-label-form-group {
  border-top: 1px solid #e9ecef; }

.footer {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: #2C3E50;
  color: #fff; }

.copyright {
  background-color: #1a252f; }

a {
  color: #18BC9C; }
  a:focus, a:hover, a:active {
    color: #128f76; }

.btn {
  border-width: 2px; }

.text-primary {
  color: #18BC9C !important; }

.text-secondary {
  color: #2C3E50 !important; }

.btn-primary {
  background-color: #18BC9C;
  border-color: #18BC9C; }
  .btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: #128f76;
    border-color: #128f76; }

.btn-secondary {
  background-color: #2C3E50;
  border-color: #2C3E50; }
  .btn-secondary:hover, .btn-secondary:focus, .btn-secondary:active {
    background-color: #1a252f;
    border-color: #1a252f; }

#profile {
  border-radius: 50%;
  height: 22.5em;
  margin-top: -7em;
}

  #portfolio .filter-btn, a {
    cursor: pointer;
  }