* {
  box-sizing: border-box;
}
.wrapdiapo {
  max-width: 790px;

}

.wrapdiapo > div {
  
  
}

.wrapdiapo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-gap: 10px;
  grid-auto-rows: minmax(20px, auto);
}
.oned {
  grid-column: 1 / 3;
  grid-row: 1;
}
.twod {
grid-column: 1 / 3;
  grid-row: 2;
}


.treed {
  grid-column: 1;
  grid-row: 3;
}
.fourd {
  grid-column:2;
  grid-row: 3;
}
.fived {
  grid-column: 1 / 3;
  grid-row: 4;
}
.sixd {
  grid-column: 1 / 3;
  grid-row: 5;
}
.sevend {
  grid-column: 1 / 3;
  grid-row: 6;
}
button,
input {
 
  border: 1px solid #666666;
 font-family: arial, verdana, sans-serif;
background-color: #000000;
color: #999999
}
input:hover {
  border: 1px solid #999999;
color: #999999
}
button:focus,
input:focus {
 border: 1px solid #6C6C00;
  outline: none;    /* ou none, important pour prise en compte :focus */
  box-shadow: none;
color: #999999
}