#div_addframe{
    position: absolute;
    top: 0px;
    left:0px;
    background-size: cover;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    float: left;
    margin-right: 30px;
    z-index: 20;
}
#forms{
    background-color: #f0f0f0;
    position: relative;
    display: block;
    left: 10%;
    top: 10%;
    width: 80%;
    height: 80%;
}
#mod_contents{
    position: sticky;
    display: flex;
    width:  100%;
    height: 90%;
    flex-flow: column;
    overflow:auto;
}
#close_position{
  text-align: right;
}
#close_button{
  border: none;
  outline: none;
  background: transparent;
}
#mod_contents div{
  padding :5px;
}
#tabset{
    top:0px;
    height: 50px;
}