body,html{
    background-image: url("../images/Presentation.jpg");
    /* background-size: cover; */
    background-position: center;
    background-repeat: repeat;
}
.mainLogo{
    justify-self: center;
    width: 75%;
    margin-top: -18%;
    
    
}
.top-bar{
    display: flex;
    justify-content: center;
}
.logo{
    height: 50%;
    
    margin-left: 7%;
    margin-right: 7%;
    margin-top: 0.5%;
}
.sub-bar{
    
    display: scroll;
    justify-content: center;
    font-family: "Averia Serif Libre", serif;
    font-weight: 700;
    font-style: normal;
    color: #ea0000;
    font-size: 50px;
}
.wrapper{
    margin-top:-14%;
    display: flex;
    justify-content: center;
    margin-bottom: 3%;
    z-index: 2;
}
.image-bar{
    display: inline-flex;
    justify-content: center;
    width: 100%;
    z-index: 0;
}
.plane1{
    width: 34vw;
    margin: 10%;
    margin-top: -14%;
    z-index: 1;
    position: relative;
    
}