* {
  padding: 0;
  margin: 0;
  outline: none;
  list-style: none;
  box-sizing: border-box;
}

.clear {
  clear: both;
}

body {
  background: linear-gradient(45deg, #5aff76, #61c2fb);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.shell {
  display: flex;
  justify-content: center;
}

.shell,
form {
  position: relative;
}

form {
  width: 650px;
  height: 680px;
  background-color: #fff;
  box-shadow: 5px 15px 40px #355eb6;
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
}

#img-box {
  width: 360px;
  height: 680px;
  overflow: hidden;
  position: relative;
  border-radius: 0 15px 15px 0;
  box-shadow: 5px 15px 40px #64d7ba;
  left: -15px;
  z-index: -1;
}
#img-box img {
  width: 100%;
}

.form-body {
  width: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

#welcome-lines {
  width: 100%;
  text-align: center;
  line-height: 1;
}
#welcome-lines h1 {
  color: #7f7f7f;
  font-size: 50px;
}
#welcome-lines h2 {
  color: #9c9c9c;
  font-size: 40px;
  font-weight: normal;
  margin-top: 17px;
}

#input {
  width: 100%;
  margin-top: 40px;
}
#input #username {
  width: 100%;
}
#input #email {
  width: 100%;
}
#input #password {
  width: 100%;
}

label {
  float: left;
  font-size: 20px;
  line-height: 48px;
  margin-bottom: 15px;
}

.f-inp {
  float: right;
  width: 75%;
}
.f-inp input {
  width: 100%;
  padding: 13px 20px;
  border: 2px solid #6e6d6d;
  line-height: 1;
  border-radius: 20px;
  margin-bottom: 15px;
  font-size: 16px;
}
.f-inp input:focus {
  box-shadow: 1px 1px 5px #355eb6;
}
.f-inp input:focus:valid {
  border: 2px solid #5aff76;
}
.f-inp input:focus:invalid {
  border: 2px solid #f5506e;
}
.f-inp input::placeholder {
  color: #b9b9b9;
}

.data {
  width: 75%;
  float: right;
  display: flex;
  justify-content: space-between;
}
.data label {
  position: absolute;
}
.data label span {
  position: relative;
  top: -10px;
  left: 10px;
  font-size: 12px;
  line-height: 1;
}

.select-data {
  border: 0;
  font-size: 16px;
  padding: 16px 5px 6px 21px;
  border: 2px dashed #6e6d6d;
  border-radius: 20px;
}
.select-data:focus {
  box-shadow: 1px 1px 5px #355eb6;
  border: 2px solid #355eb6;
}

.gender {
  width: 75%;
  float: right;
  display: flex;
  justify-content: space-between;
  padding: 11px 20px;
  font-size: 16px;
  line-height: 1;
  border: 2px dashed #6e6d6d;
  border-radius: 20px;
}
.gender span {
  margin-left: 10px;
  font-size: 20px;
}

#submit {
  margin-top: 20px;
}

.submit-btn {
  display: block;
  width: 100%;
  color: #fff;
  font-size: 16px;
  padding: 14px 40px;
  border: 0;
  background-color: #f5506e;
  border-radius: 25px;
  line-height: 1;
  cursor: pointer;
}

#login {
  margin-top: 15px;
  text-align: center;
}
#login a {
  color: #ff5acd;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
}
#login a:hover {
  text-decoration: underline;
}