[button] hover effect source

<style>
.btn-info {
  font-family: "돋움,Arial";
  color: #fff;
  background-color: #5bc0de;
  border-color: #46b8da;
}
.btn {
  font-family: "돋움,Arial";
  display: inline-block;
  padding: 6px 12px;
  margin-bottom: 0;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.42857143;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -ms-touch-action: manipulation;
  touch-action: manipulation;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  background-image: none;
  border: 1px solid transparent;
  border-radius: 4px;
}
button, input, select, textarea {
  font-family: "돋움,Arial";
  font-size: "돋움,Arial";
  line-height: "돋움,Arial";
}

</style>

<div class="panel-body">
                            <h4>Outline Buttons</h4>
                            <p>
                                <button type="button" class="btn btn-outline btn-info">대사캘린더</button>
                                <button type="button" class="btn btn-outline btn-info">대사관리</button>
                                <button type="button" class="btn btn-outline btn-info">식사관리</button>
                                <button type="button" class="btn btn-outline btn-info">운동관리</button>

                            </p>

                        </div>