style.css

html {
    box-sizing: 'border-box';
  }
.center {
    text-align: center;
}
#guessInputDiv {
    width: 160px;
    margin: 0px auto;
    position: relative;
    margin-top: 10%;
    margin-bottom: 5%;
}
#guessInput {
    width: 160px;
    border-radius: 100%;
    height: 160px;
    font-size: 100px;
    text-align: center;
    font-weight: 100;
}
  ul {
    list-style: none;
    padding: 0;
}
.list-item {
    display: inline;
    border: 1px solid black;
    font-size: 60px;
    padding: 0 25px;
    background-color: white;
}
img {
    display: inline;
    width: 200px;
    height: 100px;
}
#footer {
    width: 100%;
    border-top: solid 2px black;
    background-color: white;
    position: fixed;
    bottom: 0;
}
.footer-logo {
    display: inline-block;
}
.btn-circle.btn-xl {
    width: 60px;
    height: 60px;
    padding: 16px 16px;
    border-radius: 35px;
    font-size: 20px;
    position: absolute;
    top: 65%;
    left: 72%;
}
body {
    background: url(images/598831066.jpg) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}
@keyframes flickerAnimation {
    0%   { opacity:1; }
    50%  { opacity:0; }
    100% { opacity:1; }
  }
  @-o-keyframes flickerAnimation{
    0%   { opacity:1; }
    50%  { opacity:0; }
    100% { opacity:1; }
  }
  @-moz-keyframes flickerAnimation{
    0%   { opacity:1; }
    50%  { opacity:0; }
    100% { opacity:1; }
  }
  @-webkit-keyframes flickerAnimation{
    0%   { opacity:1; }
    50%  { opacity:0; }
    100% { opacity:1; }
  }
  #ticker {
     -webkit-animation: flickerAnimation 1s infinite;
     -moz-animation: flickerAnimation 1s infinite;
     -o-animation: flickerAnimation 1s infinite;
      animation: flickerAnimation 1s infinite;
      font-size: 30px;
      display: inline;
  }
  #subtitle {
      display: inline;
  }