css4.css

body {
  background-color: rgb(67, 153, 103);
}
.P {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}
.payment {
  width: 700px;
  margin-top: 0px;
  margin-left: 330px;
  border: solid black;
}

.row {
  align-self: center;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -16px;
}

.col-25 {
  -ms-flex: 25%;
  flex: 25%;
}

.col-50 {
  -ms-flex: 50%;
  flex: 50%;
}

.col-75 {
  -ms-flex: 75%;
  flex: 75%;
}

.col-25,
.col-50,
.col-75 {
  padding: 0 16px;
}

.container {
  background-color: #f2f2f2;
  padding: 5px 20px 15px 20px;
  border: 1px solid lightgrey;
  border-radius: 3px;
}

input[type="text"] {
  width: 100%;
  margin-bottom: 20px;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 3px;
}

label {
  margin-bottom: 10px;
  display: block;
}

.icon-container {
  margin-bottom: 20px;
  padding: 7px 0;
  font-size: 24px;
}

.btn {
  background-color: #04aa6d;
  color: white;
  padding: 12px;
  margin: 10px 0;
  border: none;
  width: 100%;
  border-radius: 3px;
  cursor: pointer;
  font-size: 17px;
}

.btn:hover {
  background-color: #45a049;
}