.addBtn:hover {
    background-color: #27AE60;
}
.box{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 450px;
    padding: 40px;
    background: rgb(0,204,204);
    box-sizing: border-box;
    box-shadow: 0 15px 25px rgba(0,0,0,.5);
    border-radius: 30px;
}
.box h2{
    margin: 0 0 20px;
    padding: 0;
    color: #fff;
    text-align: center;
}

.box .inputbox {

    position: relative;
}
.box .inputbox input{

    width: 100%;
    padding: 20px 0;
    font-size: 14px;
    color: #fff;
    margin-bottom: 30px;
    border: none;
    border-bottom:  1px solid #fff;
    outline: none;
    background: transparent;
}

.box .inputbox  label{
    position: absolute;
    top: 0;
    left: 0;
    padding: 10px 0;
    font-size: 16px;
    color: #fff;
    pointer-events: none;
    transition: .5s;
}
.box .inputbox input:focus ~ label,
.box .inputbox input:valid ~ label
{    
    top:-18px;
    left: 0;
    color: #03a9f4;
    font-size: 12px;
}

.box input[type="submit"]{
    background: transparent;
    border: none;
    outline: none;
    color:#fff;
    background: #03a9f4;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;

}