html {
    height: 100%;
    box-sizing: border-box;
  }

body {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-around;
  height: 100%;
}
.padre
{
    background: rgb(67, 187, 181);
    height: 100%;
    width: 80%;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    box-sizing: border-box;
}

img
{
    width: 300px;
    height: 200px;
}-x