styles.css

html {
  background: #95A5A7;
  font-family: monospace;
  height: 100%;
}

main {
  margin: 3vmin 5vmin;
  text-align: center;
}

.title {
  margin-bottom: 5vmin;
  min-height: 15vmin;
  background-image: url('arms-400.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

table {
  display: inline-block;
  margin: 0 auto;
}

.button {
  min-width: 19vmin;
  min-height: 19vmin;
  margin: 1vmin 4vmin;
}

#subtitle {
  font-size: 1.33rem;
}

.poem {
  font-size: 1.25rem;
  line-height: 1.5;
}

.poem span {
  display: none;
}

.poem span.on {
  display: inline;
}

.poem p.off {
  display: none;
}

.poem p.on {
  display: block;
}

.poem a {
  cursor: pointer;
  text-decoration: underline;
}

.poem a:hover, 
.poem a:focus {
  color: #A2B4B6;
}

/** modal related styles **/

.modal {
  z-index: 1;
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0, 0.4);
  
  /* Fade in the background */
  animation-name: fadeIn;
  animation-duration: 0.4s;
  -webkit-animation-name: fadeIn; 
  -webkit-animation-duration: 0.4s;
}

.modal-content {
  bottom: 0;
  position: relative;
  background-color: #889698;
  width: 80%;
  margin: 3vmin auto 7vmin;
  text-align: left;
  overflow: auto;
  border-radius: 2vmin;

  /* Slide in the content */
  animation-name: slideIn;
  animation-duration: 0.4s;
  -webkit-animation-name: slideIn;
  -webkit-animation-duration: 0.4s;
}

.modal-header {
  padding: 2vmin 24vmin 0;
  font-size: 1.5rem;
}

.modal-body {
  padding: 0 24vmin 2vmin;
}

.close {
  color: white;
  float: right;
  font-size: 1.2rem;
  font-weight: bold;
  /* make close button sticky */
  position: fixed;
  bottom:0; right:0;
  margin: 3vmin;
}
.close:hover,
.close:focus {
  color: #A2B4B6;
  text-decoration: none;
  cursor: pointer;
}

/** end modal related styles **/


/** media queries **/

/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {

}

/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {

}

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {

}

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {

}

/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {

}

/** end media queries **/


/** neumorphic styles **/

.clicked {
  background: #95A5A7;
  border-radius: 15%;
  box-shadow: inset 9.91px 9.91px 15px #889698, inset -9.91px -9.91px 15px #A2B4B6;
}

.unclicked {
  background: linear-gradient(145deg, #7F8C8E, #ABBEC0);
  border-radius: 15%;
  box-shadow: 9.91px 9.91px 15px #889698, -9.91px -9.91px 15px #A2B4B6;
}

.hovered {
  cursor: pointer;
  background: #95A5A7;
  border-radius: 15%;
  box-shadow: 9.91px 9.91px 15px #889698, -9.91px -9.91px 15px #A2B4B6;
}

/** end neumorphic styles **/


/** animations **/

@-webkit-keyframes slideIn {
  from {bottom: -300px; opacity: 0} 
  to {bottom: 0; opacity: 1}
}

@keyframes slideIn {
  from {bottom: -300px; opacity: 0}
  to {bottom: 0; opacity: 1}
}

@-webkit-keyframes fadeIn {
  from {opacity: 0} 
  to {opacity: 1}
}

@keyframes fadeIn {
  from {opacity: 0} 
  to {opacity: 1}
}

/** end animations **/