@import url('https://fonts.googleapis.com/css?family=IBM+Plex+Mono');

body {
  background-color: #232E07;
  background-image: url('linus.jpg');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: 50%;
  background-size: 80%; /* width in percent of the parent */
}

div.content {
  font-size: 14px;
  font-family: 'IBM Plex Mono', monospace;
  background: rgba(255, 255, 255, 0.5);
  border: 15px solid rgba(169, 168, 0, 0.7);
  border-radius: 20px;
  padding: 1%;
  width: 40%;
  max-width: 500px;
  /* none|h-offset v-offset blur spread color |inset|initial|inherit; */
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.5),
              4px 2px 8px 0px rgba(0, 0, 0, 0.5) inset;
  position: fixed;
  margin: 25% 10% 10% 10%;
  overflow: hidden;
}

.content {
  text-align: justify;
   -webkit-transition: width 0.5s; /* Safari */
           transition: width 0.5s;
}
.content:hover {
  width: 25%;
  cursor: none; /* esconder cursor */
  /* desabilitar a seleção do texto */
  -webkit-user-select: none; /* Safari */
     -moz-user-select: none; /* Firefox */
      -ms-user-select: none; /* Internet Explorer/Edge */
          user-select: none; /* Non-prefixed version, currently
                                supported by Chrome and Opera */
}

.content > h1 {
  text-align: center;
}