*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
}

form .txt_field{
    position: relative;
    border-bottom: 2px solid #adadad;
    margin: 20px 0px;
}

.txt_field_opt {
    position: relative;
    border-bottom: 2px solid #adadad;
    margin: 20px 0px;
}

.txt_field input {
    width: 100%;
    padding: 0 5px;
    height: 40px;
    font-size: 16px;
    border: none;
    background: none;
    outline: none;
}

.txt_field_opt input {
    width: 100%;
    padding: 0 5px;
    height: 40px;
    font-size: 16px;
    border: none;
    background: none;
    outline: none;
}

.txt_field label {
    position: absolute;
    top: 50%;
    left: 5px;
    color: #adadad;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
    transition: .5s;
}

.txt_field_opt label {
    position: absolute;
    top: 50%;
    left: 5px;
    color: #adadad;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
    transition: .5s;
}

.txt_field span::before{
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 0%;
    height: 2px;
    background: #2691d9;
    transition: .5s;
}

.txt_field_opt span::before{
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 0%;
    height: 2px;
    background: #2691d9;
    transition: .5s;
}

.txt_field_opt input:focus ~ label,
.txt_field_opt input:not(:placeholder-shown) ~ label{
    top: -5px;
    color: #2691d9;
}

.txt_field input:focus ~ label,
.txt_field input:valid ~ label{
    top: -5px;
    color: #2691d9;
}

.txt_field_opt input:focus ~ span::before,
.txt_field_opt input:not(:placeholder-shown) ~ span::before{
    width: 100%;
}
  
.txt_field input:focus ~ span::before,
.txt_field input:valid ~ span::before{
    width: 100%;
}

.dropdown {
    display: flex;
    flex-direction: column;
}

.dropdown label {
    margin-bottom: 5px;
    border-bottom: 1px solid #adadad;
}

.dropdown select {
    border-radius: 0px;
    height: 30px;
    border: none;
    padding-bottom: 5px;
    margin-bottom: 5px;
    border-bottom: 1px solid #adadad;
}

.btn-confirm {
    margin-bottom: 10px;
    border-radius: 0px;
    border: none;
    height: 30px;
    width: 100%;
}

.btn-close a {
    text-decoration: none;
}

.form_div {
    margin-left: 5px;
    margin-right: 5px;
}

.number_field {
    display: flex;
    flex-direction: column;
}

.number_field label {
    padding-bottom: 2px;
    margin-bottom: 5px;
    border-bottom: 1px solid #adadad;
}

.number_field input {
    border: none;
    outline: none;
    height: 30px;
    padding-bottom: 2px;
    margin-bottom: 5px;
    border-bottom: 1px solid #adadad;
    width: 100%;
}

.headline h3 {
    text-align: center;
    font-weight: 400;
    color: #002e5b;
}

.information {
    border-bottom: 1px solid #adadad;
    margin-bottom: 5px;
}