table, th, td {
  border: 1px solid black;
  border-collapse: collapse;
}

.control{
  margin: 30px;
}

tr {
  height: 60px;
}

.column1 {
  width:2%;
}

th {
  background-color: #96D4D4;
  width:1%;
}

td
 {
  text-align: center;
  width:1%;
}

#verif {
  color: red;
}

.colingraph{
  display:inline-block;
  vertical-align: top;
}

.colingraph p{
  border: 3px solid black;
  padding: 5px;
  margin: 5px;
  background-color: yellow;
  width: 280px;
  text-align: center;
}

.colingraph h3{
  text-align: center;
}

.colingraph select{
  background-color: yellow;
  border: 2px solid black;
}

iframe{
  border: none;
  position: relative;
  width: 100%;
  height: 100%;
}

.iframe-embed {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100%;
    width: 100%;
    border: 0;
}
.iframe-embed-wrapper {
    position: relative;
    display: block;
    height: 0;
    padding: 0;
    overflow: hidden;
}
.iframe-embed-responsive-16by9 {
    padding-bottom: 56%;
}