.container{ 
  background: #fff;
  width: 100%;
  padding: 25px 40px 10px 40px;
  box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
}

.textlabel{
  text-align: left;
  font-size: 25px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  background: -webkit-linear-gradient(right, #56d8e4, #9f01ea, #56d8e4, #9f01ea);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-bottom:20px;
}

.container .text{
  text-align: center;
  font-size: 25px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  background: -webkit-linear-gradient(right, #56d8e4, #9f01ea, #56d8e4, #9f01ea);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text{
  text-align: center;
  font-size: 25px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  background: -webkit-linear-gradient(right, #56d8e4, #9f01ea, #56d8e4, #9f01ea);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.container .titre{
  text-align: center;
  font-size: 40px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  color:white;
}


.container form{
  padding: 30px 0 0 0;
}
.container form .form-row{
  display: flex;
  margin: 32px 0;
}
form .form-row .input-data{
  width: 100%;
  height: 40px;
  margin: 0 20px;
  position: relative;
}
form .form-row .textarea{
  height: 70px;
}
.input-data input,
.textarea textarea{
  display: block;
  width: 100%;
  height: 100%;
  border: none;
  font-size: 17px;
  border-bottom: 2px solid rgba(0,0,0, 0.12);
}
.input-data input:focus ~ label, .textarea textarea:focus ~ label,
.input-data input:valid ~ label, .textarea textarea:valid ~ label{
  transform: translateY(-10px);
  font-size: 14px;
  color: #3498db;
}
.textarea textarea{
  resize: none;
  padding-top: 10px;
}
.input-data label{
  position: absolute;
  pointer-events: none;
  bottom: 20px;
  font-size: 16px;
  transition: all 0.3s ease;
}
.textarea label{
  width: 100%;
  bottom: 40px;
  background: #fff;
}
.input-data .underline{
  position: absolute;
  bottom: 0;
  height: 2px;
  width: 100%;
}
.input-data .underline:before{
  position: absolute;
  content: "";
  height: 2px;
  width: 100%;
  background: #3498db;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}
.input-data input:focus ~ .underline:before,
.input-data input:valid ~ .underline:before,
.textarea textarea:focus ~ .underline:before,
.textarea textarea:valid ~ .underline:before{
  transform: scale(1);
}
.submit-btn .input-data{
  overflow: hidden;
  height: 45px!important;
  width: 25%!important;
}
.submit-btn .input-data .inner{
  height: 100%;
  width: 300%;
  position: absolute;
  left: -100%;
  background: -webkit-linear-gradient(right, #56d8e4, #9f01ea, #56d8e4, #9f01ea);
  transition: all 0.4s;
}
.submit-btn .input-data:hover .inner{
  left: 0;
}
.submit-btn .input-data input{
  background: none;
  border: none;
  color: #fff;
  font-size: 17px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  position: relative;
  z-index: 2;
}
@media (max-width: 1600px) {
  .container .text{
    font-size: 30px;
  }
  .container form{
    padding: 10px 0 0 0;
  }
  .container form .form-row{
    display: block;
  }
  form .form-row .input-data{
    margin: 35px 0!important;
  }
  .submit-btn .input-data{
    width: 40%!important;
  }
}

.lineaire-simple {
  background: linear-gradient(blue, pink);
}