CodePen Embed - Border Animation Effect with SVG

<body>
    <div class="container">
      
      
      <header class="Gio-header">
        <h1>Border Animation Effect</h1>
        <p>Highly experimental, tested in Google Chrome and Firefox</p>
      </header>
      <section class="Gio-98">
        <h2>Frame</h2>
        <div class="grid">
          <div class="box">
            <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%">
              <line class="top" x1="0" y1="0" x2="900" y2="0"/>
              <line class="left" x1="0" y1="460" x2="0" y2="-920"/>
              <line class="bottom" x1="300" y1="460" x2="-600" y2="460"/>
              <line class="right" x1="300" y1="0" x2="300" y2="1380"/>
            </svg>
            <h3>G</h3>
            <span>2014</span>
            <span></span>
          </div>
          <div class="box">
            <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%">
              <line class="top" x1="0" y1="0" x2="900" y2="0"/>
              <line class="left" x1="0" y1="460" x2="0" y2="-920"/>
              <line class="bottom" x1="300" y1="460" x2="-600" y2="460"/>
              <line class="right" x1="300" y1="0" x2="300" y2="1380"/>
            </svg>
            <h3>I</h3>
            <span>2014</span>
            <span></span>
          </div>
          <div class="box">
            <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%">
              <line class="top" x1="0" y1="0" x2="900" y2="0"/>
              <line class="left" x1="0" y1="460" x2="0" y2="-920"/>
              <line class="bottom" x1="300" y1="460" x2="-600" y2="460"/>
              <line class="right" x1="300" y1="0" x2="300" y2="1380"/>
            </svg>
            <h3>O</h3>
            <span>2014</span>
            <span></span>
          </div>
        </div>
      </section>
      
      </div>
  </body>

/*author MARY LOU */
/* COMPONENTS */

.box {
  width: 300px;
  height: 460px;
  position: relative;
  background: rgba(255,255,255,1);
  display: inline-block;
  margin: 0 10px;
  cursor: pointer;
  color: #2c3e50;
  box-shadow: inset 0 0 0 3px #2c3e50;
  -webkit-transition: background 0.4s 0.5s;
  transition: background 0.4s 0.5s;
}

.box:hover {
  background: rgba(255,255,255,0);
  -webkit-transition-delay: 0s;
  transition-delay: 0s;
}

.box h3 {
  font-family: "Ruthie", cursive;
  font-size: 180px;
  line-height: 370px;
  margin: 0;
  font-weight: 400;
  width: 100%;
}

.box span {
  display: block;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 13px;
  padding: 5px;
}

.box h3,
.box span {
  -webkit-transition: color 0.4s 0.5s;
  transition: color 0.4s 0.5s;
}

.box:hover h3,
.box:hover span {
  color: #fff;
  -webkit-transition-delay: 0s;
  transition-delay: 0s;
}

.box svg {
  position: absolute;
  top: 0;
  left: 0;
}

.box svg line {
  stroke-width: 3;
  stroke: #ecf0f1;
  fill: none;
  -webkit-transition: all .8s ease-in-out;
  transition: all .8s ease-in-out;
}

.box:hover svg line {
  -webkit-transition-delay: 0.1s;
  transition-delay: 0.1s;
}

.box svg line.top,
.box svg line.bottom {
  stroke-dasharray: 330 240; 
}

.box svg line.left,
.box svg line.right {
  stroke-dasharray: 490 400;
}

.box:hover svg line.top {
  -webkit-transform: translateX(-600px);
  transform: translateX(-600px);
}

.box:hover svg line.bottom {
  -webkit-transform: translateX(600px);
  transform: translateX(600px);
}

.box:hover svg line.left {
  -webkit-transform: translateY(920px);
  transform: translateY(920px);
}

.box:hover svg line.right {
  -webkit-transform: translateY(-920px);
  transform: translateY(-920px);
}

/* Alternatives */



/* Frame */
.Gio-98 .box {
  background: rgba(0,0,0,0);
  color: #fff;
  box-shadow: none;
  -webkit-transition: background 0.3s;
  transition: background 0.3s;
}

.Gio-98 .box:hover {
  background: rgba(0,0,0,0.4);
}

.Gio-98 .box h3,
.Gio-98 .box span {
  -webkit-transition: none;
  transition: none;
}

.Gio-98 .box svg line {
  -webkit-transition: all .5s;
  transition: all .5s;
}

.Gio-98 .box:hover svg line {
  stroke-width: 10;
  -webkit-transition-delay: 0s;
  transition-delay: 0s;
}

.Gio-98 .box:hover svg line.top {
  -webkit-transform: translateX(-300px);
  transform: translateX(-300px);
}

.Gio-98 .box:hover svg line.bottom {
  -webkit-transform: translateX(300px);
  transform: translateX(300px);
}

.Gio-98 .box:hover svg line.left {
  -webkit-transform: translateY(460px);
  transform: translateY(460px);
}

.Gio-98 .box:hover svg line.right {
  -webkit-transform: translateY(-460px);
  transform: translateY(-460px);
}

/* COMPONENTS */

/* CSS */
@import url(https://fonts.googleapis.com/css?family=Lato:300,400,700|Ruthie);
@font-face {
  font-weight: normal;
  font-style: normal;
  font-family: 'Gioicons';
  src:url('http://disantimonia.pixub.com/codepen/codropsicons/Gioicons.eot');
  src:url('http://disantimonia.pixub.com/codepen/codropsicons/Gioicons.eot?#iefix') format('embedded-opentype'),
    url('http://disantimonia.pixub.com/codepen/codropsicons/Gioicons.woff') format('woff'),
    url('http://disantimonia.pixub.com/codepen/codropsicons/Gioicons.ttf') format('truetype'),
    url('http://disantimonia.pixub.com/codepen/codropsicons/Gioicons.svg#Gioicons') format('svg');
}

*, *:after, *:before { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; }
.clearfix:before, .clearfix:after { content: ''; display: table; }
.clearfix:after { clear: both; }

body {
  background: #2c3e50;
  color: #ecf0f1;
  font-size: 100%;
  line-height: 1.25;
  font-family: 'Lato', Arial, sans-serif;
}

a {
  color: #95a5a6;
  text-decoration: none;
  outline: none;
}

a:hover, a:focus {
  color: #fff;
}

.Gio-header {
  margin: 0 auto;
  padding: 2em;
  text-align: center;
}

.Gio-header h1 {
  margin: 0;
  font-weight: 300;
  font-size: 2.5em;
}

.Gio-header h1 span {
  display: block;
  padding: 0 0 0.6em 0.1em;
  font-size: 0.6em;
  opacity: 0.7;
}

/* To Navigation Style */
.Gio-top {
  width: 100%;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.69em;
  line-height: 2.2;
}

.Gio-top a {
  display: inline-block;
  padding: 0 1em;
  text-decoration: none;
  letter-spacing: 1px;
}

.Gio-top span.right {
  float: right;
}

.Gio-top span.right a {
  display: block;
  float: left;
}

.Gio-icon:before {
  margin: 0 4px;
  text-transform: none;
  font-weight: normal;
  font-style: normal;
  font-variant: normal;
  font-family: 'Gioicons';
  line-height: 1;
  speak: none;
  -webkit-font-smoothing: antialiased;
}

.Gio-icon-drop:before {
  content: "\e001";
}

.Gio-icon-prev:before {
  content: "\e004";
}

section {
  padding: 4em 2em;
  text-align: center;
}

section h2 {
  font-weight: 300;
  font-size: 2em;
  padding: 1em 0;
}

.Gio-header + section {
  padding-top: 1.5em;
}

.related p {
  font-size: 1.5em;
}

.related > a {
  background: rgba(0,0,0,0.05);
  display: inline-block;
  text-align: center;
  margin: 20px 10px;
  padding: 25px;
  -webkit-transition: color 0.3s, background-color 0.3s;
  transition: color 0.3s, background-color 0.3s;
}

.related a:hover {
  background-color: rgba(0,0,0,0.4);
}

.related a img {
  max-width: 100%;
  opacity: 0.8;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}

.related a:hover img,
.related a:active img {
  opacity: 1;
}

.related a h3 {
  margin: 0;
  padding: 0.5em 0 0.3em;
  max-width: 300px;
  text-align: left;
}

@media screen and (max-width: 25em) {

  .Gio-icon span {
    display: none;
  }

}
/* CSS */

/* NORMALIZE */
article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block;}audio,canvas,video{display:inline-block;}audio:not([controls]){display:none;height:0;}[hidden]{display:none;}html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;}body{margin:0;}a:focus{outline:thin dotted;}a:active,a:hover{outline:0;}h1{font-size:2em;margin:0.67em 0;}abbr[title]{border-bottom:1px dotted;}b,strong{font-weight:bold;}dfn{font-style:italic;}hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0;}mark{background:#ff0;color:#000;}code,kbd,pre,samp{font-family:monospace,serif;font-size:1em;}pre{white-space:pre-wrap;}q{quotes:"\201C" "\201D" "\2018" "\2019";}small{font-size:80%;}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline;}sup{top:-0.5em;}sub{bottom:-0.25em;}img{border:0;}svg:not(:root){overflow:hidden;}figure{margin:0;}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em;}legend{border:0;padding:0;}button,input,select,textarea{font-family:inherit;font-size:100%;margin:0;}button,input{line-height:normal;}button,select{text-transform:none;}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer;}button[disabled],html input[disabled]{cursor:default;}input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0;}input[type="search"]{-webkit-appearance:textfield;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box;}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none;}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0;}textarea{overflow:auto;vertical-align:top;}table{border-collapse:collapse;border-spacing:0;}
/* NORMALIZE */

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