Box Button Hover on CodePen : http://codepen.io/andrewwierzba/pen/JorzzV

css

@import url(http://fonts.googleapis.com/css?family=Open+Sans);

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  background: #FDFDFD;
  margin: 25px 0;
}

span.title {
  margin: 0 auto;
  color: #BBB;
  font-family: 'Open Sans', sans-serif;
  font-size: 0.85rem;
  text-align: center;
  display: block;
}

.basicBox, .swiggleBox, .checkBox {
  width: 130px;
  height: 65px;
  margin: 15px auto;
  color: #4274D3;
  font-family: 'Open Sans', sans-serif;
  font-size: 1.15rem;
  line-height: 65px;
  text-transform: uppercase;
  text-align: center;
  position: relative;
  cursor: pointer;
}

svg {
  position: absolute;
  top: 0;
  left: 0;
}
svg rect, svg path, svg polyline {
  fill: none;
  stroke: #4274D3;
  stroke-width: 1;
}

.basicBox:hover svg rect, .swiggleBox:hover svg path, .checkBox:hover svg polyline {
  stroke: #4274D3;
}

/* Basic Box */
svg rect {
  stroke-dasharray: 400, 0;
  -webkit-transition: all 0.8s ease-in-out;
  -moz-transition: all 0.8s ease-in-out;
  -ms-transition: all 0.8s ease-in-out;
  -o-transition: all 0.8s ease-in-out;
}
.basicBox:hover svg rect {
  stroke-width: 3;
  stroke-dasharray: 35, 245;
  stroke-dashoffset: 38;
  -webkit-transition: all 0.8s ease-in-out;
  -moz-transition: all 0.8s ease-in-out;
  -ms-transition: all 0.8s ease-in-out;
  -o-transition: all 0.8s ease-in-out;
}

/* Swiggle Box */
svg path {
  stroke-dasharray: 265, 0;
  -webkit-transition: all 1s ease-in-out;
  -moz-transition: all 1s ease-in-out;
  -ms-transition: all 1s ease-in-out;
  -o-transition: all 1s ease-in-out;
}
.swiggleBox:hover svg path {
  stroke-width: 3;
  stroke-dasharray: 0, 350;
  stroke-dashoffset: 20;
  -webkit-transition: all 1s ease-in-out;
  -moz-transition: all 1s ease-in-out;
  -ms-transition: all 1s ease-in-out;
  -o-transition: all 1s ease-in-out;
}

/* Check Box */
.checkBox {
  /* Add Padding Left To Center Text */
}
.checkBox svg {
  /* Presentation Purposes */
  margin-left: -10px;
}
.checkBox svg rect, .checkBox svg polyline {
  fill: none;
  stroke: #4274D3;
  stroke-width: 1;
  -webkit-transition: all 0.8s ease-in-out;
  -moz-transition: all 0.8s ease-in-out;
  -ms-transition: all 0.8s ease-in-out;
  -o-transition: all 0.8s ease-in-out;
}
.checkBox:hover svg rect {
  stroke-width: 2;
  -webkit-transition: all 0.8s ease-in-out;
  -moz-transition: all 0.8s ease-in-out;
  -ms-transition: all 0.8s ease-in-out;
  -o-transition: all 0.8s ease-in-out;
}
.checkBox:hover svg polyline {
  stroke-width: 2;
  -webkit-transition: all 0.8s ease-in-out;
  -moz-transition: all 0.8s ease-in-out;
  -ms-transition: all 0.8s ease-in-out;
  -o-transition: all 0.8s ease-in-out;
}
.checkBox svg .button {
  stroke-dasharray: 400px, 0;
}
.checkBox:hover svg .button {
  stroke-dasharray: 0, 400px;
  stroke-dashoffset: 33px;
}
/* Check Mark Effect */
.box, .checkMark {
  opacity: 0;
}
.checkBox:hover .box {
  -webkit-animation: boxDisplay 0.2s forwards;
  -moz-animation: boxDisplay 0.2s forwards;
  -ms-animation: boxDisplay 0.2s forwards;
  -o-animation: boxDisplay 0.2s forwards;
  animation: boxDisplay 0.2s forwards;
  -webkit-animation-delay: 0.65s;
  -moz-animation-delay: 0.65s;
  -ms-animation-delay: 0.65s;
  -o-animation-delay: 0.65s;
  animation-delay: 0.65s;
}
.checkBox:hover .checkMark {
  -webkit-animation: checkDisplay 0.2s forwards;
  -moz-animation: checkDisplay 0.2s forwards;
  -ms-animation: checkDisplay 0.2s forwards;
  -o-animation: checkDisplay 0.2s forwards;
  animation: checkDisplay 0.2s forwards;
  -webkit-animation-delay: 1s;
  -moz-animation-delay: 1s;
  -ms-animation-delay: 1s;
  -o-animation-delay: 1s;
  animation-delay: 1s;
}
/* Check Box Display */
@-webkit-keyframes boxDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@-moz-keyframes boxDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@-ms-keyframes boxDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@-o-keyframes boxDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes boxDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
/* Check Mark Display */
@-webkit-keyframes checkDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@-moz-keyframes checkDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@-ms-keyframes checkDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@-o-keyframes checkDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes checkDisplay {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

html

<span class="title">Basic Box Hover</span>
<div class="basicBox">
  Hover
  <svg width="130" height="65" viewBox="0 0 130 65" xmlns="http://www.w3.org/2000/svg">
    <rect x='0' y='0' fill='none' width='130' height='65' />
  </svg>
</div>

<span class="title">Swiggle Box Hover</span>
<div class="swiggleBox">
  Hover
  <svg width="130" height="65" viewBox="0 0 130 65" xmlns="http://www.w3.org/2000/svg">
    <path d="M0.6,0.5c0,5.4,0,61.5,0,61.5s4.5,5.4,9.9,0c5.4-5.4,9.9,0,9.9,0s4.5,5.4,9.9,0c5.4-5.4,9.9,0,9.9,0
	s4.5,5.4,9.9,0c5.4-5.4,9.9,0,9.9,0s4.5,5.4,9.9,0c5.4-5.4,9.9,0,9.9,0s4.5,5.4,9.9,0c5.4-5.4,9.9,0,9.9,0s4.5,5.4,9.9,0
	c5.4-5.4,9.9,0,9.9,0s4.5,5.4,9.9,0c0,0,0-56.1,0-61.5H0.6z" />
  </svg>
</div>

<span class="title">Check Box Hover</span>
<div class="checkBox">
  Hover
  <svg width="140" height="65" viewBox="0 0 140 65" xmlns="http://www.w3.org/2000/svg">
    <rect x="10" class="button" width="128.8" height="63.9" />
    <rect x="0" y="22.5" class="box" width="20" height="20" />
    <polyline class="checkMark" points="4.5,32.6 8.7,36.8 16.5,29.1" />
  </svg>
</div>

<!-- Signature -->
<div class="madeByContainer">
  <span>Made By With</span>
  <div class="heart"></div>
  <span>Andrew Wierzba</span>
</div>