html {
  font-size: 62.5%;
  font-size-adjust: 100%;
  font-weight: 400;
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0); }

body {
  margin: 0;
  overflow-x: hidden;
  font-family: 'Nunito', sans-serif;
  font-size: 1.4rem;
  line-height: 1.6;
  color: #666; }


.block {
    height: 100px;
    width: 130px;
    position: fixed;
    top: 30%;
    right: 0;
    opacity: 0.5;
}
.overlay {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 9999;
    visibility: hidden;
    background-color: rgba(0, 0, 0, 0.7);
    opacity: 0;
    position: fixed;
    cursor: default;
    -webkit-transition: all 0.6s;
    -moz-transition: all 0.6s;
    -ms-transition: all 0.6s;
    -o-transition: all 0.6s;
    transition: all 0.6s;
}
.close {
    position: absolute;
    padding: 0;
    top: -10px;
    right: -10px;
    width: 22px;
    height: 22px;
    border: 2px solid #ccc;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    border-radius: 50%;
    background-color: rgba(61, 61, 61, 0.8);
    -webkit-box-shadow: 0px 0px 10px #000;
    -moz-box-shadow: 0px 0px 10px #000;
    box-shadow: 0px 0px 10px #000;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    line-height: 20px;
    -webkit-transition: background-color ease .7s;
    -moz-transition: background-color ease .7s;
    -ms-transition: background-color ease .7s;
    -o-transition: background-color ease .7s;
    transition: background-color ease .7s;
}