html {
    background: rgb(221, 219, 219);
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
  }

  body {
    width: 100%;
    display: flex;
    flex-direction: column;
    flex: auto;
    font-family: Verdana,  Tahoma, sans-serif;
    overflow-x: hidden;
  }

  a {
text-decoration: none;
  }

li {
  list-style: none;
}
  
hr {
  border: 0;
  height: 1px;
  background: #000;
  background-image: -webkit-linear-gradient(left, #fff, #000, #fff);
  background-image: -moz-linear-gradient(left, #fff, #000, #fff);
  background-image: -ms-linear-gradient(left, #fff, #000, #fff);
  background-image: -o-linear-gradient(left, #fff, #000, #fff);
  }

.clearBtn {
  position: relative;
  left: 0;
  transition: left 0.3s;
  visibility: hidden;
}

.show {
  left: -18px;
  visibility: visible;
}

/**/