@font-face {
    font-family: FSEX300;
    src: url(font.ttf) format("truetype"), url(font.svg) format("svg");
    font-style: normal;
    font-weight: 400;
  }
  
  html {
    overflow: hidden;
    font-family: FSEX300;
    font-style: normal;
    font-stretch: normal;
    vertical-align: baseline;
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
    background: #b8b8b8;
    font-size: 16px;
  }
  
  body, html {
    width: 100%;
    height: 100%;
  }
  
  .button, .content, body {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  .border {
    border: 1px solid #000;
    padding: 3px;
    width: 292px;
    background: #000575;
    background-image: linear-gradient(
        45deg,
        #007575 26%,
        transparent 0,
        transparent 74%,
        #007575 0
      ),
      linear-gradient(
        45deg,
        #007575 26%,
        transparent 0,
        transparent 74%,
        #007575 0
      );
    background-size: 2px 2px;
    background-position: 0 0, 1px 1px;
  }
  
  .content-box {
    -webkit-flex-direction: column;
    flex-direction: column;
    height: 100%;
    border: 1px solid #f8f8f8;
  }
  
  .content-box, .header {
    display: -webkit-flex;
    display: flex;
    width: 100%;
  }
  
  .header {
    height: 21px;
    border-bottom: 1px solid #000;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  .title {
    text-align: center;
    width: 100%;
    line-height: 20px;
    color: #fff;
  }
  
  .content {
    padding: 9px;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-flex-grow: 1;
    flex-grow: 1;
    background: #fff;
  }
  
  p {
    text-align: center;
    width: 231px;
  }
  
  .button {
    margin: 5px;
    padding: 3px;
    border-radius: 2px;
    box-shadow: 0 0 0 2px #000;
    width: 68px;
    height: 20px;
    border-color: #fff #757575 #757575 #fff;
    border-style: solid;
    border-width: 2px;
    background: #b8b8b8;
    cursor: pointer;
  }