propos.css

body{
    background: #8ADABA;
    
}
body::before{
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: #9986EA;
}

.logo img{
    position: absolute;
    width: 10%;
    height: 20%;
    top: 2%;
    left: 80%;
    filter: invert(0.1);
}
.bg p{
    position: absolute;
    width: 100%;
    top: 25%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    letter-spacing: 1px; 
    margin-left: 10px; 
}
.contenu p{
    position: absolute;
    width: 100%;
    top: 36%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    margin-left: 10px;
}
.histoire{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 40%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}
.histoire h2{
    font-weight: 300;
    text-align: center;
}
.histoire p{
    font-size: 1rem;
    margin-left: 10px;
    
}
.bibiographie{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 65%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    
}
.bibiographie h1{
    font-weight: 300;
    text-align: center;
    margin-bottom: 10px;
}
.bibiographie h2{
    text-align: center;
    margin-bottom: 10px;
}
.bibiographie p{
    font-size: 1em;
    line-height: 1.5em;
    }
.bibiographie a{
    text-decoration: none;
    color: #000;
    }
.contact-flex{
    display: flex;
    flex-flow: row wrap;
    align-items: center;
     }
.contact-flex p:first-child{
    flex: 0 0 40%;
    }
 .contact-flex p:last-child{
    flex: 0 0 60%;
    }
.form{ 
    position: absolute;
    padding: 70px 50px;
    box-shadow: 0 50px 50px rgba(0, 0, 0,0.25);
    position: absolute;
    padding-left: 350px;
    margin-left: 150px;
    width: calc(100% - 150px);
    
}

.form input{
    position: relative;
    margin-bottom: 35px;
    width: 40%;
    height: 30px;
}
.form input,
.form textarea{
   
    width: 30%;
    resize: none;
    font-weight: 300;
    color: #333;
    border: none;
    outline: none;
    border-bottom: 1px solid #777;
    
}
.form span{
    position: absolute;
  left: 0px;
  padding: 5px 0;
  pointer-events: none;
  font-size: 18px;
  font-weight: 300;
  transition: 0.3s;
}
.form input[type="submit"]{
    position: relative;
    cursor: pointer;
    background: #095a55;
    color: #fff;
    border: none;
    max-width: 150px;
    padding: 12px;
    margin-left: 8%;
}
.retour a{
    position: relative;
    top: 1450px;
    text-decoration: none;
    background: #095a55;
    color: #fff;
    padding: 15px;
    border-radius: 25%;
}
.retour a:hover{
    background: #0d948b;
  }