* {
    padding: 0;
    margin: 0;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

body {
   background-color: white;

}
  
.parent {
    position: relative;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: white;

  }

.child {
    padding: 20px;
    text-align: center;
    vertical-align: middle;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 15em;
    height: 6em;
    background-color: white;
    box-shadow: 1px 1px 5px rgba(0,0,0,.4); 
}

.box {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    border: black solid 0.1rem;
    height: 100%; /* Insert any height */
}