*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  height: 300px;
  width: 100%;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  margin: 0;
  padding: 32px 16px;
  font-family: Helvetica, Sans-Serif;
}

.signature-pad {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  font-size: 10px;
  width: 100%;
  height: 100%;
  max-width: 800px;
  min-height: 350px;
  max-height: 400px;
  border: 1px solid #e8e8e8;
  background-color: rgb(36, 31, 31);
  box-shadow: 0 1px 4px rgba(61, 53, 53, 0.404),
    0 0 40px rgba(7, 184, 22, 0.555) inset;
  border-radius: 4px;
  padding: 16px;
}

.signature-pad::before,
.signature-pad::after {
  position: absolute;
  z-index: -1;
  content: "";
  width: 40%;
  height: 10px;
  bottom: 10px;
  background: transparent;
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4);
}

.signature-pad::before {
  left: 20px;
  -webkit-transform: skew(-3deg) rotate(-3deg);
  transform: skew(-3deg) rotate(-3deg);
}

.signature-pad::after {
  right: 20px;
  -webkit-transform: skew(3deg) rotate(3deg);
  transform: skew(3deg) rotate(3deg);
}

.signature-pad--body {
  position: relative;
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  border: 1px solid #f4f4f4;
}

.signature-pad--body canvas {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  border-radius: 4px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.02) inset;
}

.signature-pad--footer {
  color: #c3c3c3;
  text-align: center;
  font-size: 1.2em;
  margin-top: 8px;
}

.signature-pad--actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin-top: 8px;
}

#github img {
  border: 0;
}

@media (max-width: 940px) {
  #github img {
    width: 90px;
    height: 90px;
  }
}