.main-timeline{
    padding: 20px 0;
    position: relative;
}
.main-timeline:before,
.main-timeline:after{
    content: '';
    height: 40px;
    width: 40px;
    background-color: #e7e7e7;
    border-radius: 50%;
    border: 10px solid #303334;
    transform:translateX(-50%);
    position: absolute;
    left: 50%;
    top: -15px;
    z-index: 2;
}
.main-timeline:after{
    top: auto;
    bottom:15px;
}
.main-timeline .timeline{
    padding: 35px 0;
    margin-top: -30px;
    position: relative;
    z-index: 1;
}
.main-timeline .timeline:before,
.main-timeline .timeline:after{
    content: '';
    height: 100%;
    width: 50%;
    border-radius: 100px 0 0 100px;
    border: 15px solid #46B2BC;
    border-right: none;
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
}
.main-timeline .timeline:after{
    height: calc(100% - 30px);
    width: calc(50% - 12px);
    border-color: #65C7D0;
    left: 12px;
    top: 15px;
}
.main-timeline .timeline-content{ display:inline-block; }
.main-timeline .timeline-content:hover{ text-decoration: none; }
.main-timeline .timeline-year{
    color: #65C7D0;
    font-size: 50px;
    font-weight: 600;
    display: inline-block;
    transform:translateY(-50%);
    position: absolute;
    top: 50%;
    left: 10%;
}
.main-timeline .timeline-icon{
    color: #65C7D0;
    font-size: 80px;
    display: inline-block;
    transform: translateY(-50%);
    position: absolute;
    left: 34%;
    top: 50%;
}
.main-timeline .content{
    width: 50%;
    padding: 20px;
    display: inline-block;
    float: right;
}
.main-timeline .title{
    color: #65C7D0;
    font-size: 22px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0 0 5px 0;
}
.main-timeline .description{
    font-size: 15px;
    letter-spacing: 1px;
    margin: 0;
}
.main-timeline .timeline:nth-child(even):before{
    left: auto;
    right: 0;
    border-radius: 0 100px 100px 0;
    border: 15px solid red;
    border-left: none;
}
.main-timeline .timeline:nth-child(even):after{
    left: auto;
    right: 12px;
    border: 15px solid green;
    border-left: none;
    border-radius: 0 100px 100px 0;
}
.main-timeline .timeline:nth-child(even) .content{ float: left; }
.main-timeline .timeline:nth-child(even) .timeline-year{
    left: auto;
    right: 10%;
}
.main-timeline .timeline:nth-child(even) .timeline-icon{
    left: auto;
    right: 32%;
}
/** ----------------- První událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+1):before{ border-color: #892c8c; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+1):after{ border-color: #A84BAB; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+1) .timeline-icon{ color: #892c8c; } /** ikona */
.main-timeline .timeline:nth-child(5n+1) .timeline-year{ color: #892c8c; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+1) .title{ color: #892c8c; } /** Nadpis */
/** END-------------- První událost ----------------------------------------- */

/** ----------------- +2.událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+2):before{ border-color: #dc7482; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+2):after{ border-color: #FF99A7; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+2) .timeline-icon{ color: #dc7482; } /** ikona */
.main-timeline .timeline:nth-child(5n+2) .timeline-year{ color: #dc7482; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+2) .title{ color: #dc7482; } /** Nadpis */
/** END-------------- +2.událost ----------------------------------------- */

/** ----------------- +3.událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+3):before{ border-color: #f4bf31; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+3):after{ border-color: #ffdd9b; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+3) .timeline-icon{ color: #f4bf31; } /** ikona */
.main-timeline .timeline:nth-child(5n+3) .timeline-year{ color: #f4bf31; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+3) .title{ color: #f4bf31; } /** Nadpis */
/** END-------------- +3.událost ----------------------------------------- */

/** ----------------- První událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+4):before{ border-color: #892c8c; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+4):after{ border-color: #A84BAB; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+4) .timeline-icon{ color: #892c8c; } /** ikona */
.main-timeline .timeline:nth-child(5n+4) .timeline-year{ color: #892c8c; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+4) .title{ color: #892c8c; } /** Nadpis */
/** END-------------- První událost ----------------------------------------- */

/** ----------------- +5.událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+5):before{ border-color: #dc7482; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+5):after{ border-color: #FF99A7; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+5) .timeline-icon{ color: #dc7482; } /** ikona */
.main-timeline .timeline:nth-child(5n+5) .timeline-year{ color: #dc7482; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+5) .title{ color: #dc7482; } /** Nadpis */
/** END-------------- +5.událost ----------------------------------------- */

/** ----------------- +6.událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+6):before{ border-color: #f4bf31; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+6):after{ border-color: #ffdd9b; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+6) .timeline-icon{ color: #f4bf31; } /** ikona */
.main-timeline .timeline:nth-child(5n+6) .timeline-year{ color: #f4bf31; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+6) .title{ color: #f4bf31; } /** Nadpis */
/** END-------------- +6.událost ----------------------------------------- */

/** ----------------- První událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+7):before{ border-color: #892c8c; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+7):after{ border-color: #A84BAB; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+7) .timeline-icon{ color: #892c8c; } /** ikona */
.main-timeline .timeline:nth-child(5n+7) .timeline-year{ color: #892c8c; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+7) .title{ color: #892c8c; } /** Nadpis */
/** END-------------- První událost ----------------------------------------- */

/** ----------------- +8.událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+8):before{ border-color: #dc7482; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+8):after{ border-color: #FF99A7; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+8) .timeline-icon{ color: #dc7482; } /** ikona */
.main-timeline .timeline:nth-child(5n+8) .timeline-year{ color: #dc7482; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+8) .title{ color: #dc7482; } /** Nadpis */
/** END-------------- +8.událost ----------------------------------------- */

/** ----------------- +9.událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+9):before{ border-color: #f4bf31; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+9):after{ border-color: #ffdd9b; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+9) .timeline-icon{ color: #f4bf31; } /** ikona */
.main-timeline .timeline:nth-child(5n+9) .timeline-year{ color: #f4bf31; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+9) .title{ color: #f4bf31; } /** Nadpis */
/** END-------------- +9.událost ----------------------------------------- */


/** ----------------- První událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+10):before{ border-color: #892c8c; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+10):after{ border-color: #A84BAB; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+10) .timeline-icon{ color: #892c8c; } /** ikona */
.main-timeline .timeline:nth-child(5n+10) .timeline-year{ color: #892c8c; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+10) .title{ color: #892c8c; } /** Nadpis */
/** END-------------- První událost ----------------------------------------- */

/** ----------------- +11.událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+11):before{ border-color: #dc7482; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+11):after{ border-color: #FF99A7; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+11) .timeline-icon{ color: #dc7482; } /** ikona */
.main-timeline .timeline:nth-child(5n+11) .timeline-year{ color: #dc7482; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+11) .title{ color: #dc7482; } /** Nadpis */
/** END-------------- +11.událost ----------------------------------------- */

/** ----------------- +12.událost ----------------------------------------- */
.main-timeline .timeline:nth-child(5n+12):before{ border-color: #f4bf31; } /** vnější strana */
.main-timeline .timeline:nth-child(5n+12):after{ border-color: #ffdd9b; } /** vnitřní strana */
.main-timeline .timeline:nth-child(5n+12) .timeline-icon{ color: #f4bf31; } /** ikona */
.main-timeline .timeline:nth-child(5n+12) .timeline-year{ color: #f4bf31; } /** časový údaj */
.main-timeline .timeline:nth-child(5n+12) .title{ color: #f4bf31; } /** Nadpis */
/** END-------------- +12.událost ----------------------------------------- */

@media screen and (max-width:1023px){
    .main-timeline .timeline:after{ border-radius: 88px 0 0 88px; }
    .main-timeline .timeline:nth-child(even):after{ border-radius: 0 88px 88px 0; }
}
@media screen and (max-width:640px){
    .main-timeline:before{
        height: 30px;
        width: 30px;
        top: -5px;
    }
    .main-timeline:after{
        height: 30px;
        width: 30px;
    }

    .main-timeline .timeline{ margin-top: -19px; }
    .main-timeline .timeline:before {
        border-radius: 50px 0 0 50px;
        border-width: 10px;
    }
    .main-timeline .timeline:after {
        height: calc(100% - 18px);
        width: calc(50% - 9px);
        border-radius: 43px 0 0 43px;
        border-width:10px;
        top: 9px;
        left: 9px;
    }
    .main-timeline .timeline:nth-child(even):before {
        border-radius: 0 50px 50px 0;
        border-width: 10px;
    }
    .main-timeline .timeline:nth-child(even):after {
        height: calc(100% - 18px);
        width: calc(50% - 9px);
        border-radius: 0 43px 43px 0;
        border-width: 10px;
        top: 9px;
        right: 9px;
    }
    .main-timeline .timeline-icon{ font-size: 60px; }
    .main-timeline .timeline-year{ font-size: 40px; }
}
@media screen and (max-width:1023px){
    .main-timeline .timeline-icon{
        font-size: 50px;
        transform:translateY(0);
        top: 25%;
        left: 10%;
    }
    .main-timeline .timeline-year{
        font-size: 25px;
        transform:translateY(0);
        top: 65%;
        left: 9%;
    }
    .main-timeline .content{
        width: 68%;
        padding: 10px;
    }
    .main-timeline .title{ font-size: 18px; }
    .main-timeline .timeline:nth-child(even) .timeline-icon{
        right: 10%;
    }
    .main-timeline .timeline:nth-child(even) .timeline-year{
        right: 9%;
    }
}