jQuery101

html,
body {
  margin: 0;
  height: 100%;
  background: #f3f6f9;
}
.div-header {
  display: inline-flex;
}
.date-div {
  float: right;
}
header {
  height: 50px;
  background: #fff;
}
.container-products {
  margin-right: auto;
  margin-left: auto;
  width: 90%;
  background: #fff;
  align-items: center;
  border-bottom: 2px solid #000;
  margin: 0 50px;
}
.container-all-total {
  width: 90%;
  background: #fff;
  margin: 0 50px;
}
.total-table {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.button-col {
  display: flex;
  justify-content: flex-end;
}
.discount-col {
  display: flex;
  justify-content: flex-end;
  margin-top: 100px;
  margin-bottom: 10px;
}
.row {
  width: 100%;
}
h6 {
  width: 200px;
  height: 50px;
  display: inline-block;
  margin-left: 9px;
  text-align: center;
  padding-top: 10px;
}
.invoice {
  background: #7f63f4;
}
.client {
  font-weight: bold;
  text-shadow: 1px 2px 5px #000;
}
.name {
  font-weight: bold;
  text-shadow: 1px 2px 5px #000;
}
.date {
  font-weight: bold;
  text-shadow: 1px 2px 5px #000;
}
.icon {
  margin-left: 50px;
}
.table {
  width: 100%;
}
input,
label {
  display: block;
}
.btnAdd {
  width: 200px;
  background: lightgreen;
  border: none;
  border-radius: 5px;
  margin-bottom: 20px;
}
.total {
  width: 100%;
}
footer {
  text-align: center;
}
@media screen and (max-width: 950px) {
  .name-div,
  .date-div,
  .client-div {
    display: none;
  }
}