* { box-sizing: border-box }
 body {
     margin: 0;
     font-size: 16px;
     font-family: 'Lato', sans-serif;
     color: hsl(0,0%,30%);
 }
 
 h1 {
     font-size: 3rem;
     text-align: center;
     text-shadow: 0.05em 0.05em 0.5em navy;
     border-bottom: 5px double black;
     height: 12vh;
     margin-bottom: 0;
 }
 
 input[type=text] {
     font-size: 1rem;
     width: 90%;
     margin: 0.5em;
     margin-left: 5%;
     margin-right: 5%;
     padding: 0.24em;
     border: thin solid black;
 }
 
 button {
     font-size: 1rem;
     padding: 0.25em 0.5em;
     margin: 0.5em;
     margin-right: 5%;
     float: right;
 }
 
 #add-contact {
     position: relative;
     width: 25vw;
     float: left;
     border: 5px double black;
     border-left: none;
     border-right: none;
     border-top: none;
     min-height: 78vh;
 }
 
 #do-search {
     width: 75vw;
     float: right;
     border: 5px double black;
     border-top: none;
     border-right: none;
     min-height: 78vh;
 }
 
 #add-contact::after,
 #do-search::after
 {
     content: " ";
     display: "block";
     float: none;
     clear: both;
 }
 
 #do-search #results {
     padding: 0.5em;
 }