div#main_box > #videos
{
  min-height: 600px;
  margin:  1em;
}

form#vid_nav
{
  display: flex;
  justify-content: space-between;
  width: 90%;
  margin: 0 auto 30px auto;
}

form#vid_nav input
{
  min-width: initial;
  width: 50px;
  font-size: 1.4em;
  padding: 0;
  color: gray;
  background-color: transparent;
  border: 1px dotted black;
  border-radius: 4px;
  -webkit-box-shadow: 4px 4px 9px 0px rgba(100,100,100, .5);
  box-shadow: 4px 4px 7px 0px rgba(100,100,100, .5);
  cursor: pointer;
}

form#vid_nav input.disabled
{
  color: #999999;
  border: 1px dotted gray;
  border-radius: 4px;
  -webkit-box-shadow: none;
  box-shadow: none;
  cursor: default;
}

form#vid_nav input:hover
{
  -webkit-box-shadow: none;
  box-shadow: none;
  -webkit-box-shadow: 2px 2px 5px 0px rgba(100,100,100, .4);
  box-shadow: 2px 2px 5px 0px rgba(100,100,100, .4);
}