html {
    font-family: 'Jost', sans-serif;
}

.form{
    background-color: #3385ff;
}
.form svg{
    display: block;

}

#box-timeline {
    width: 100%;
    height: 1650px;
    position: relative;
    padding: 80px 0 0px 0;
}
.ligne {
    height: 1350px;
    width: 8px;
    margin: 0 auto;
    background: #333;
}

.rond {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #333;
    position: absolute;
    border: 1px solid #000;
    left: 50%;
    transform: translate(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 250%;
}
/* 1000 - 160 + 80 / 3 =~ 306 */
.r1{top: 80px;}
.r2{top: 386px;}
.r3{top: 692px;}
.r4{top: 1000px;}
.r5{top: 1350px;}

.box {
    color: #333;
    width: 400px;
    min-height: 200px;
    padding: 20px;
    border-radius: 3px;
    height: auto;
    background: #f1f1f1;
    box-shadow: 0 10px 15px rgba(0,0,0,0.5);
    position: absolute;
    left: 50%;
    transform: translate(-50%);
}
.imgrond{
    border-radius: 50%;
    width: 80px;
    height: 80px;
}
.b1 {
    top: 80px;
    left: calc(50% - 270px);
}
.b2 {
    top: 386px;
    left: calc(50% + 270px);
}
.b3 {
    top: 692px;
    left: calc(50% - 270px);
}
.b4 {
    top: 1000px;
    left: calc(50% + 270px);
}
.b5 {
    top: 1350px;
    left: calc(50% - 270px);
}

.box p {
    line-height: 20px;
    font-size: 18px;
    text-align: justify-all;
    margin: 10px 0 20px 0;
}
.btn {
    display: block;
    background: midnightblue;
    padding: 10px;
    width: 130px;
    text-align: center;
    color: #f1f1f1;
    text-decoration: none;
    border-radius: 3px;
    margin-top: 10px;
}

@media screen and (max-width: 1200px) {

    .ligne {
        position: relative;
        left: 140px;
         height: 1335px;

    }
    .rond {
        left: calc(50% + 140px);
        width: 65px;
        height: 65px;
    }
    .box {
        left: calc(50% - 50px)
    }
       .box{
  min-width: 10%;
   max-width: 270px;
    }
    .imgrond{
    border-radius: 50%;
    width: 65px;
    height: 65px;
}
    .slider h1{
    font-size: 55px;
}
.slider h2{
    font-size: 30px;
    position: absolute;
    top: 60%;
    padding-right: 50%:
    padding-left:50%; 
    white-space: nowrap;
}
.slider h3{
    font-size: 25px;
}
.slider h4{
    font-size: 25px;
}
.photodep{
        position: absolute;
    transform:translate(-50%, -50%);
    left: 50%;
    top: 80%;
    display: none;

}


}