Circle buttons - hoverable

by Jordan Dayton

HTML

<div id="wrapper">

  <div id="floating-box">
    <div>
      <a href="ENTER_URL_TO_FILTERED_CONTENT" target="_top">
        <div id="circle" class="hvr-outline-out2 circle2">
          <img class="images" src="https://maxcdn.icons8.com/iOS7/PNG/50/Programming/web_design_filled-50.png" title="Web Design Filled" width="34" />
        </div>
      </a>
    </div>
    <div>
      <h2>Getting Started</h2>
    </div>
  </div>

  <div id="floating-box">
    <div>
      <a href="ENTER_URL_TO_FILTERED_CONTENT" target="_top">
        <div id="circle" class="hvr-outline-out3 circle3">
          <img class="images" src="https://maxcdn.icons8.com/iOS7/PNG/50/Science/classroom_filled-50.png" title="Classroom Filled" width="32" />
        </div>
      </a>
    </div>
    <div>
      <h3>Questions & Discussions</h3>
    </div>
  </div>

  <div id="floating-box">
    <div>
      <a href="ENTER_URL_TO_FILTERED_CONTENT" target="_top">
        <div id="circle" class="hvr-outline-out3 circle3">
          <img class="images" src="https://maxcdn.icons8.com/Android/PNG/48/Healthcare/groups-48.png" title="User Groups" width="34" />
        </div>
      </a>
    </div>
    <div>
      <h3>Engaging Students</h3>
    </div>
  </div>

  <div id="floating-box">
    <div>
      <a href="ENTER_URL_TO_FILTERED_CONTENT" target="_top">
        <div id="circle" class="hvr-outline-out4 circle4">
          <img class="images" src="https://maxcdn.icons8.com/windows8/PNG/48/Science/report_card-48.png" title="Report Card" width="34" />
        </div>
      </a>
    </div>
    <div>
      <h4>Outcomes & Rubrics</h4>
    </div>
  </div>

  <div id="floating-box">
    <div>
      <a href="ENTER_URL_TO_FILTERED_CONTENT" target="_top">
        <div id="circle" class="hvr-outline-out4 circle4">
          <img class="images" src="https://maxcdn.icons8.com/windows8/PNG/48/Very_Basic/checked-48.png" title="Checked" width="36" />
        </div>
      </a>
    </div>
    <div>
      <h4>Assessment & Grading</h4>
...

CSS

body {
  color: #5e5e5e;
  font: 13px "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
}

h1 {
  display: block;
  font-size: 1em;
  margin-top: 0.76em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  text-align: center;
  font-weight: bold;
  color: #246792;
}

h2 {
  display: block;
  font-size: 1em;
  margin-top: 0.76em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  text-align: center;
  font-weight: bold;
  color: #E55D2E;
}

h3 {
  display: block;
  font-size: 1em;
  margin-top: 0.76em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  text-align: center;
  font-weight: bold;
  color: #E5942E;
}

h4 {
  display: block;
  font-size: 1em;
  margin-top: 0.76em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  text-align: center;
  font-weight: bold;
  color: #209F62;
}

p {
  display: block;
  font-size: 1em;
  text-align: left;
  font-weight: normal;
  color: #58585B;
  line-height: 25px;
}

#wrapper {
  text-align: center;
  margin-top: 0;
}

#floating-box {
  display: inline-block;
  width: 90px;
  height: 120px;
  padding: 15px;
  vertical-align: top;
}

#circle {
  width: 70px;
  height: 70px;
  -moz-border-radius: 50px;
  -webkit-border-radius: 50px;
  border-radius: 50px;
  margin: 0 auto;
  position: relative;
}

circle:hover {}

.circle1 {
  background-color: #246792;
}

.circle2 {
  background-color: #E55D2E;
}

.circle3 {
  background-color: #E5942E;
}

.circle4 {
  background-color: #209F62;
}

.images {
  position: absolute;
  margin: auto;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  filter: brightness(0) invert(1);
}


/* Outline Out */

.hvr-outline-out {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: perspective(1px) translateZ(0);
  transform: perspective(1px) translateZ(0);
  box-shadow: 0 0 1px transparent;
  position: relative;
}

.hvr-outline-out1:before {
  content: '';
  border-radius: 50%;
  position: absolute;
  border: #246792...