*,
*::before,
*::after {
  box-sizing: inherit;
  font-family: "Courier New", Courier, monospace;
  font-size: 1.6rem;
  margin: 0;
  padding: 0;
}

html {
  box-sizing: border-box;
  font-size: 62.5%;
}

.wrapper {
  max-width: 100%;
  margin: auto;
}

.row {
  display: flex;
  flex-flow: nowrap;
  justify-content: space-around;
  text-align: center;
}

.col-1,
.col-2,
.col-3,
.col-4 {
  padding: 1em 0;
}

.col-1 {
  flex-basis: calc(25% - 1%);
}
.col-2 {
  flex-basis: calc(50% - 1%);
}
.col-3 {
  flex-basis: calc(75% - 1%);
}
.col-4 {
  flex-basis: calc(100% - 1%);
}

.wrapper3 {
  max-width: 100%;
  border: 1px solid #6e6e6e;
  overflow: auto;
  margin-top: 30px;
  background-color: #efefef;
  padding: 50px;
}
.wrapper3 h3 {
  margin-top: 20px;
}
.wrapper3 .flex {
  height: 200px;
  background-color: antiquewhite;
  display: flex;
  border: 1px solid #6e6e6e;
}

.wrapper3 .row1 {
  justify-content: space-between;
  height: 50px;
}
.wrapper3 .row2 {
  justify-content: space-around;
  height: 50px;
}
.wrapper3 .row3 {
  justify-content: space-evenly;
  height: 50px;
}
.wrapper3 .row4 {
  justify-content: flex-start;
  height: 100px;
}

.wrapper3 .row5 {
  justify-content: flex-end;
  height: 200px;
}
.wrapper3 .row6 {
  justify-content: center;
  height: 200px;
}

.wrapper3 .row7 {
  justify-content: space-between;
  height: 80px;
  align-items: center;
}

.wrapper3 .row8 {
  justify-content: space-between;
  height: 80px;
  align-items: flex-start;
}

.wrapper3 .row9 {
  justify-content: space-between;
  height: 200px;
  align-items: flex-start;
  overflow: hidden;
}

.wrapper3 .row10 {
  justify-content: space-between;
  height: 400px;
  align-items: center;
  overflow: hidden;
}

.wrapper3 .row10 div {
  flex-grow: 1;
  flex-basis: 25%;
  padding: 10px;
}

.wrapper3 .row11 {
  justify-content: space-between;
  height: 80px;
  align-items: flex-start;
  overflow: hidden;
}

.wrapper3 .row12 {
  justify-content: space-between;
  height: 80px;
  align-items: stretch;
  overflow: hidden;
}
.wrapper3 .row13 {
  justify-content: space-between;
  height: 150px;
  align-items: center;
  overflow: auto;
  gap: 10px;
}
.wrapper3 .row13 div {
  min-height: 50px;
  padding: 10px;
}

.wrapper3 .row14 {
  justify-content: flex-start;
  height: 150px;
  align-items: center;
  overflow: auto;
  gap: 10px;
  flex-wrap: wrap;
}
.wrapper3 .row14 div {
  min-height: 50px;
  padding: 10px;
}

.wrapper3 .row15 {
  justify-content: flex-start;
  height: 150px;
  align-items: stretch;
  overflow: auto;
  gap: 10px;
}
.wrapper3 .row15 div {
  min-height: 50px;
  padding: 10px;
}