.lightbox {
  display: table; /* helps us center the lightbox-content */
  /* make the lightbox occupy the entire page */
  position: fixed;
  top: -100%; /* position the lightbox above the top edge */
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0.7, 0); /* black with 0.7 opacity */
  transition-duration: 2s; /* set the duration of the slide down effect */
}
.lightbox:target {
  top: 0; /* cover the entire screen */
}
.lightbox-content {
  display: table-cell;
  vertical-align: middle; /* vertically center */
  text-align: center; /* horizontally center */
}
.close {
  /* position the CLOSE button to the top-right corner */
  position: absolute;
  top: 10px;
  right: 10px;

  /* style the close button */
  font-size: 20px;
  font-weight: 300;
  text-decoration: none;
  color: white;
}

/* make the image responsive */
img {
  max-width: 100%;
  height: auto;
}

body {
  font: 15px/1.5 Arial, Helvetica, sans-serif;
  padding: 0;
  margin: 0;
  background-color: #f4f4f4;
}

/* Global */
.container {
  width: 80%;
  margin: auto;
  overflow: hidden;
}

p,
.p {
  font-family: Harrington, papyrus, Fantasy;
}

ul {
  margin: 0;
  padding: 0;
}

.button_1 {
  height: 38px;
  background: #e8491d;
  border: 0;
  padding-left: 20px;
  padding-right: 20px;
  color: #ffffff;
}

.dark {
  padding: 15px;
  background: #35424a;
  color: #ffffff;
  margin-top: 10px;
  margin-bottom: 10px;
  box-shadow: 0 5px 10px 0 rgba(0, 0, 0, 0.3), 0 7px 21px 0 rgba(0, 0, 0, 0.2);
}

/* Header **/
header {
  background: #35424a;
  color: #ffffff;
  padding-top: 30px;
  min-height: 70px;
  border-bottom: #e8491d 3px solid;
}

header a {
  color: #ffffff;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 16px;
}

header li {
  float: left;
  display: inline;
  padding: 0 20px 0 20px;
}

header #branding {
  float: left;
}

header #branding h1 {
  margin: 0;
}

header nav {
  float: right;
  margin-top: 10px;
}

header .highlight,
header .current a {
  color: #e8491d;
  font-weight: bold;
}

header a:hover {
  color: #cccccc;
  font-weight: bold;
}

/* Showcase */
#showcase {
  min-height: 400px;
  background: url("../img/showcase.jpg") no-repeat;
  background-position: center;
  background-size: cover;
  text-align: center;
  color: #ffffff;
}

#showcase h1 {
  margin-top: 100px;
  font-size: 55px;
  margin-bottom: 10px;
}

#showcase p {
  font-size: 20px;
}

/* Newsletter */
#newsletter {
  padding: 15px;
  color: #ffffff;
  background: #35424a;
}

#newsletter h1 {
  float: left;
}

#newsletter form {
  float: right;
  margin-top: 15px;
}

#newsletter input[type="email"] {
  padding: 4px;
  height: 25px;
  width: 250px;
}

/* Boxes */
#boxes {
  margin-top: 20px;
}

#boxes .box {
  float: left;
  text-align: center;
  width: 30%;
  padding: 10px;
}

#boxes .box img {
  width: 90px;
}

/* Sidebar */
aside#sidebar {
  float: right;
  width: 30%;
  margin-top: 10px;
}

aside#sidebar .quote input,
aside#sidebar .quote textarea {
  width: 90%;
  padding: 5px;
}

/* Main-col */
article#main-col {
  float: left;
  width: 65%;
}

/* Services */
ul#services li {
  list-style: none;
  padding: 20px;
  border: #cccccc solid 1px;
  margin-bottom: 5px;
  background: #e6e6e6;
}

footer {
  padding: 20px;
  margin-top: 20px;
  color: #ffffff;
  background-color: #e8491d;
  text-align: center;
}

/* Media Queries */
@media (max-width: 768px) {
  header #branding,
  header nav,
  header nav li,
  #newsletter h1,
  #newsletter form,
  #boxes .box,
  article#main-col,
  aside#sidebar {
    float: none;
    text-align: center;
    width: 100%;
  }

  header {
    padding-bottom: 20px;
  }

  #showcase h1 {
    margin-top: 40px;
  }

  #newsletter button,
  .quote button {
    display: block;
    width: 100%;
  }

  #newsletter form input[type="email"],
  .quote input,
  .quote textarea {
    width: 100%;
    margin-bottom: 5px;
  }
}

@keyframes myAnimation {
  from {
    font-size: 15px;
    color: blue;
  }
  to {
    font-size: 40px;
    color: red;
  }
}
.my {
  animation-name: myAnimation;
  animation-duration: 2s;
  animation-fill-mode: both;
}