html, body {
    width: 375px;
    margin: auto;
    background: #212121;
}
p, h1 {
  margin: 0px;
  padding: 0px;
}
h1.corpo {
  margin: 0;
  padding: 0;
}

.title {
  color: white;
  font-family: "Silkscreen", sans-serif;
  font-size: 14px;
  text-align: justify;
  line-height: 1;
  margin: 10px 2px 5px 5px;
}


#txData {
  margin-top: 20px;
  width: 22rem;
  height: 50px;
  padding: 12px 20px;
  box-sizing: border-box;
  border: 2px solid #ccc;
  border-radius: 4px;
  background-color: #f8f8f831;
  color: #00E6F6;
  font-size: 16px;
  resize: none;
}

#rxData {
  margin-top: 20px;
  width: 22rem;
  height: 22rem;
  padding: 12px 20px;
  box-sizing: border-box;
  border: 2px solid #ccc;
  border-radius: 4px;
  background-color: #f8f8f831;
  font-size: 16px;
  color: #00E6F6;
  resize: none;
}

.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color:black;
  color: white;
  text-align: center;
}

.footer button {
  color: rgb(6, 6, 6);
  background-color: black;
  border: none;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}

.button {
  font-family: "Silkscreen", sans-serif;
  display: inline-block;
  outline: 0;
  border: none;
  cursor: pointer;
  font-weight: 600;
  border-radius: 4px;
  font-size: 13px;
  height: 30px;
  background-color: #1424800d;
  color: #ffffff;
  padding: 0 10px;
}
.button:hover {
  background-color: white;
  color: black;
}
.button:active {
  background-color: rgb(51, 255, 0);
  color: black;
}