.navbar ul :nth-child(2) a {
    color: #ef961d;
    border-bottom: solid;
}

.navbar ul :nth-child(2) a::before {
    opacity: 100%;
}

.naviguer ul :nth-child(2) a {
    color: #ef961d;
}

.naviguer ul :nth-child(2) a::before {
    opacity: 100%;
}

html {
    height:130%;
}

.icone {
    animation-name: tape;
    animation-duration: 3s;
    animation-iteration-count: infinite;
}

.paragraphe {
    float:left;
    width:40%;
    margin-top: 5em;
    margin-left:5em;
}

.paragraphe div {
    font-family: Helvetica;
    letter-spacing: .05em;
    line-height: 1.5em;
    margin-left: 2em;
    font-size: 1vw;
    color: #fff;
}

.paragraphe h1 {
    color: #fff;
    font-family: "KG";
    font-size: 2vw;
    margin-top: 8%;
    letter-spacing: .05em;
    line-height: 2em;
    margin-left: 2em;
}

#image {
    float:right;
    margin-top: 11em;
    margin-right:10vw;
}

#img {
    width: 25vw;
    height: auto;
}

#image2 {
    float:right;
    margin-top: 4em;
    margin-right:15vw;
}

#img2 {
    width: 15vw;
    height: auto;
}


#source{
    clear:right;
    float:right;
    margin-top: 4em;
    margin-right: 10vw;
    
}

.bibliographie {
    width: 25vw;
    height: auto;
    color: #fff;
    background: rgba(0, 0, 72, 0.57);
    border-radius: 1em;
    padding: .5em;
    display:block;
    margin-bottom:5em;
}

.bibliographie h1 {
    text-decoration: none;
    color: #fff;
    font-family: Helvetica;
    font-weight: bold;
    font-size: 1.5vw;
    letter-spacing: .05em;
    line-height: 2em;
    text-align: center;
}

.bibliographie ul {
    margin-left: 1.8em;
    list-style: none;
    font-size: 1.2vw;
    margin-top: 1em;
    padding-bottom:1em;
}

.bibliographie ul li{
    margin-top: .5em;
    
}

.bibliographie ul li a{
    text-decoration: none;
    color: #fff;
    font-family: Helvetica;
    font-weight: bold;
    transition: .4s ease;
    
}

.bibliographie ul li a:hover {
    text-decoration: none;
    color: #ef961d;
    transition: .4s ease;
}

.bibliographie ul li a::before{
    content:"> ";
    font-size: .8em;
    opacity: 0%;
}

.bibliographie ul li a:hover::before{
    opacity: 100%;
}

@media screen and (max-width:97em) {
    #image {
        margin-top: 8em;
    }
    .paragraphe {
        margin-top:4em;
    }
    .bibliographie {
        margin-bottom:1em;
    }
}

@media screen and (max-width:65em) {
    .paragraphe {
        width: 90%;
        margin-left:5%;
        margin-right:5%;
    }
    
    .paragraphe div {
        font-size: 1em;
        margin:0;
    }
    
    .paragraphe h1 {
        text-align: center;
    }
    
    #source {
        width: 90%;
        margin:2em 5%;
    }
    .bibliographie {
        width:100%;
    }
    .bibliographie ul {
        margin:1em 0;
        font-size: 1em;
    }
    .bibliographie li {
        display:inline-block;
        width:32%;
        text-align: center;
    }
    .bibliographie h1 {
        font-size: 1em;
    }
    .paragraphe h1 {
        font-size: 2em;
        margin: 0;
    }
    #image {
        display:none;
    }
    #image2 {
        display:none;
    }
}

@keyframes tape {
    0% {
        transform: rotateZ(0deg);
    }
    50% {
        transform: rotateZ(20deg);
    }
    100% {
        transform: rotateZ(0deg);
    }
}