*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    
}
.logo{
    background-color: rgba(17,17,17,1);
}
legend{
    font-size: large;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
.form-group label{
    font-family:'Times New Roman', Times, serif;
    font-size: 19px;
}
.loinhan{
    border-bottom: 4px solid palevioletred;
}