style.css

     #calc {
         background-color: aqua;
         padding: 0.5% 2% 0.5% 2%;
         font-size: 100%;
     }

     label {

         color: aliceblue;
         margin-top: 5%;
         font-weight: bold;
     }

     input {
         background-color: rgb(221, 239, 137);
         margin: 1% 0 2% 0;
         font-weight: bold;
         text-align: center;
         font-size: 100%;
     }

     * {
         background-color: rgb(5, 13, 76);
     }

     #res {
         font-size: 200%;
         width: 150px;
         background-color: rgb(217, 237, 198);
         color: red;
     }

     #h {
         color: red;
         font-size: x-large;
         margin-bottom: 7%;
         font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;

     }

     .footer-heart {
         text-align: center;
         font-family: open sans, sans-serif;
         color: white;
     }

     #column {
         color: #ca2323;
         font-family: sans-serif;
     }

     .footer-heart a {
         border-bottom: 1px solid #453886;
         color: #453886;
         padding-bottom: .25em;
         text-decoration: none;
     }

     .footer-heart a:hover {
         color: #2196f3;
         background-image: url("data:image/svg+xml;charset=utf8,%3Csvg id='squiggle-link' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:ev='http://www.w3.org/2001/xml-events' viewBox='0 0 20 4'%3E%3Cstyle type='text/css'%3E.squiggle{animation:shift .3s linear infinite;}@keyframes shift {from {transform:translateX(0);}to {transform:translateX(-20px);}}%3C/style%3E%3Cpath fill='none' stroke='%23453886' stroke-width='2' class='squiggle' d='M0,3.5 c 5,0,5,-3,10,-3 s 5,3,10,3 c 5,0,5,-3,10,-3 s 5,3,10,3'/%3E%3C/svg%3E");
         background-position: bottom;
         background-repeat: repeat-x;
         background-size: 20%;
         border-bottom: 0;
         padding-bottom: .3em;
         text-decoration: none;
     }

     .emoji {
         vertical-align: middle;
     }