styles.css

body {
  box-sizing: border-box;
  background-color: #e2e4e1;
  color: #333;
  font-family: "karla";
  margin: 0;
  padding: 0;
}

.main {
  width: 50%;
  position: relative;
  margin: 0 auto;
  padding-top: 1em;
  text-align: center;
  margin-top: 5%;
  padding-bottom: 5%;
  background-color: #faf7f7;
}

#gif {
  width: auto;
  height: auto;
  text-align: center;
}

img {
  max-width: 95%;
  height: auto;
}

p {
  font-family: "karla";
}

#url {
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-width: 95%;
}

button {
  margin-top: 1em;
  height: 40px;
  width: auto;
  font-size: 15px;
  font-family: monospace;
  background-color: #e8dada;
  border: 0px;
  box-shadow: 8px 9px #000;
  margin-right: 1em;
}

button:hover {
  background-color: #956ea0;
  color: #fff;
  transition: 0.2s ease-in-out;
}

footer {
  width: 100%;
  text-align: center;
  bottom: 0;
  position: absolute;
  margin-top: 0.5em;
}

a {
  color: #956ea0;
  text-decoration: none;
  padding-bottom: 0.2em;
}

a:hover {
  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='%23956ea0' 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: 0 100%;
  background-size: auto 6px;
  background-repeat: repeat-x;
  text-decoration: none;
  color: #000;
}

@media only screen and (max-width: 720px) {
  .main {
    width: 75%;
  }
}