/* {
  box-sizing: border-box;
}
*/
input[type=text], select, textarea, text {
  width: 100%;
  padding: 12px;
  /*border: 1px solid blue;*/
  border-radius: 4px;
  /*border: none;*/
  resize: vertical;
}

label {
  padding: 12px 12px 12px 10px;
  display: inline-block;
  font-family: Arial;
  
}
.description {
  float:left;    
}
h3 {
    text-align:center;
    font-family: Cambria;
}
#nb {
    text-align:center;
    font-family: Cambria;
    color:red;
}

input[type=submit] {
  background-color: navy;
  color: white;
  margin-top: 5px;
  padding: 12px 10px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  float: right;
}

input[type=submit]:hover {
  background-color: blue;
}

.container {
  border-radius: 5px;
  /*background-color: transparent;*/
  padding: 20px;
  border: 0 navy solid;
}
.col-25 {
  float: left;
  width: 20%;
  margin-top: 6px;
}

.col-75 {
  float: left;
  width: 80%;
  margin-top: 6px;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive layout - when the screen is less than 600px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
  .col-25, .col-75 {
    width: 100%;
    margin-top: 0;
  }
}
@media screen and (max-width: 600px) {
  input[type=submit] {
    width: 100%;
    margin-top: 5px;
  }
}