.navbar-header {
    float: left;
    padding: 15px;
    text-align: center;
    width: 100%;
    position: relative;
    bottom: 5px;
}

.navbar-brand {
  float:none;
}

.data-box {
  -moz-box-shadow: 0px 0px 7px 0px #ccc;
  -webkit-box-shadow: 0px 0px 7px 0px #ccc;
  box-shadow: 0px 0px 7px 0px #ccc;
  position: relative;
  top: 100px;
  width: 500px;
  height: 200px;
  font-weight: bold;
  font-size: 120%;
  padding-top: 25px;
  padding-right: 50px;
  padding-bottom: 25px;
  padding-left: 50px;
  border-radius: 10px;
}

.navbar-header {
    float: left;
    padding: 15px;
    text-align: center;
    width: 100%;
    position: relative;
    bottom: 10px;
}

.navbar-brand {
  float:none;
}

.data-box {
  -moz-box-shadow: 0px 0px 7px 0px #ccc;
  -webkit-box-shadow: 0px 0px 7px 0px #ccc;
  box-shadow: 0px 0px 7px 0px #ccc;
  position: relative;
  top: 100px;
  width: 500px;
  height: 200px;
  font-weight: bold;
  font-size: 120%;
  padding-top: 25px;
  padding-right: 50px;
  padding-bottom: 25px;
  padding-left: 50px;
  border-radius: 10px;
}

Move the logo up a little
Move the logo up a little
