body {
  margin: 0;
  padding: 0;
  background-size: cover;
  background-repeat: no-repeat;
  font-family: Verdana, Tahoma, sans-serif;
}

.box {
  width: 380px;
  height: 500px;
  background-color: rgba(0, 0, 0, 0.7);
  padding: 20px;
  margin: 5% auto 0;
  border-radius: 5px;
  text-align: center;
  position: relative;
  box-sizing: border-box;
  flex-direction: column;
}

.box img {
  width: 100px;
  margin-top: -20px;
}

.header {
  width: 300px;
  height: 50px;
  text-transform: uppercase;
  display: inline-flex;
  padding-top: 20px;
  padding-bottom: 0;
  justify-content: space-between;
}

.header a {
  font-size: 20px;
  text-decoration: none;
  color: #ffffff;
  display: inline-flex;
  padding-left: 25px;
  padding-right: 25px;
  justify-content: center;
  cursor: pointer;
}

.header .active {
  color: #df80ff;
  font-weight: bold;
  position: relative;
}

.header .active:after {
  position: absolute;
  border: none;
  content: "";
}

#errorMsg {
  color: red;
  text-align: center;
  font-size: 12px;
  padding-bottom: 20px;
}

.content {
  display: inline-flex;
  overflow: hidden;
}

form {
  position: relative;
  display: inline-flex;
  width: 100%;
  height: 100%;
  flex-shrink: 0;
  flex-direction: column;
  transition: right 0.5s;
}

.login a {
  text-decoration: none;
  color: #ffffff;
  font-size: 15px;
  text-align: center;
  cursor: pointer;
}

.extend form {
  right: 100%;
}

input[type="text"],
input[type="password"],
input[type="email"] {
  display: block;
  position: relative;
  border: 4px solid #ffffff;
  padding: 12px;
  margin-bottom: 15px;
  width: 100%;
  border-radius: 10px;
  box-sizing: border-box;
  font-size: 17px;
  outline: none;
}

input[type="text"]:hover,
input[type="password"]:hover,
input[type="email"]:hover {
  border: 4px solid #df80ff;
}

input[type="submit"] {
  display: block;
  position: relative;
  border: 3px solid #df80ff;
  padding: 12px;
  margin-bottom: 20px;
  width: 100%;
  border-radius: 25px;
  background-color: #600080;
  text-align: center;
  font-size: 20px;
  color: #ffffff;
  cursor: pointer;
  outline: none;
}

input[type="submit"]:hover {
  background-color: #ffffff;
  color: #000000;
  font-weight: bold;
}
input[type="checkbox"] {
  background-color: #df80ff;
}
#check {
  margin-top: 10px;
  text-align: left;
  color: #ffffff;
  font-size: 15px;
}