ajout.css

@import url(https://fonts.googleapis.com/css?family=Rubik);
*
{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body
{
  font-family: 'Rubik';
}
header
{
    height: 5rem;
    background-color:#2f2f2f ;
    font-size: 1.5rem;
    color: white;
    
}
header p
{

    float: right;
    margin: 1rem;
    background-color: #fa344b;
    padding: 0.5rem;
    width: 10rem;
    border-radius: 7px;
    text-align: center;
    transition: all .5s ease;
}
header p a
{
    text-decoration: none;
    text-transform: none;
    color: #011627;
}
 
header p:hover 
{
    background-color: #2f2f2f;
    color:#fa344b ;
}
header p a:hover 
{
    color:#fa344b ;
}
 
span
{
    font-size: 1.5rem;
    margin-left: 1rem;
    font-style: italic;
    color: #fa344b ;
    
    
}
label
{
    color: black;
}
.fa-book-open
{
    font-size: 3rem;
    color:  #fa344b ;
    margin-top: 1rem;
  
}
.fa-sign-out-alt
{
    padding: 3px;
}
 body
 {
     /* background: url("img/book-1950451_1920.jpg");
     background-size: cover; */
     background-color: darkslategrey;
     background-image: url("img/literature-3068940_1280.jpg");
 }
 label
 {
     color: white;
 }
 #cat
 {
     margin-top: 20px;
 }
#buut
{
    margin-top: 20px;
}
.form-control
{
    width: 25rem;
}