legend{
    border: 1px solid dodgerblue;
    padding: 10px;
    text-align: center;
    background-color: dodgerblue;
    border-radius: 1px;
}
.inputBox{
    position: relative;
}
.inputUser{
    background: none;
    border: none;
    border-bottom: 1px solid white;
    outline: none;
    color: white;
    font-size: 15px;
    width: 100%;
    letter-spacing: 2px;
}

.labelInput{
    position: absolute;
    top: 0px;
    left: 0px;
    pointer-events: none;
    transition: .5s;
}
.inputUser:focus ~ .labelInput,
.inputUser:valid ~ .labelInput{
    top: -20px;
    font-size: 12px;
    color: dodgerblue;
}
#data_nascimento{
    border: none;
    padding: 8px;
    border-radius: 10px;
    outline: none;
    font-size: 15px;
}
.submit{
    background-image: linear-gradient(to right,rgb(0, 92, 197), rgb(90, 20, 220));
    width: 100%;
    border: none;
    padding: 15px;
    color: white;
    font-size: 15px;
    cursor: pointer;
    border-radius: 10px;
}
.input{
    background-color: white;
    width: 100%;
    border: none;
    padding: 15px;
    color: rgb(0, 0, 0);
    font-size: 15px;
    cursor: pointer;
    border-radius: 10px;
}    
.phone{
background-color: white;
    width: 100%;
    border: none;
    padding: 15px;
    color: rgb(0, 0, 0);
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    border-radius: 10px;
}
#submit:hover{
    background-image: linear-gradient(to right,rgb(0, 80, 172), rgb(80, 19, 195));
}