#boxfirma {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 100vh;
  width: 48%;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}
.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%;
  min-height:300px;
  background-color: #fff;
}


.signature-pad--body {
	width:200px;
	max-height:200px;
	margin:0 auto;
  position: relative;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  border: 1px solid #ccc;
}

.signature-pad--body
canvas {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.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;
  }
}