main {
    
}
section {
    color: white;
}
section .section-tit1 {
    text-transform: uppercase;
    font-weight: 500;
}
section .timeline img {
    max-width: 100%;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
}
section .timeline .timeline-year {
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
section .timeline .timeline-txt {
    font-weight: 500;
    line-height: 1.25;
}
@media (min-width: 576px) {
    section .timeline .timeline-year,
    section .timeline .timeline-txt {
        padding-left: 35px;
    }
    section .timeline .timeline-year {
        font-size: 68px;
    }
}
@media (max-width: 575px) {
    section .timeline .timeline-year {
        font-size: 48px;
    }
}

.timeline-container {
    width: 100%;
    padding: 60px 0;
    background-attachment: fixed;
    background-size: cover;
    position: relative;
    -webkit-transition: .3s ease 0s;
    -moz-transition: .3s ease 0s;
    transition: .3s ease 0s;
}
.timeline-container:before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, 0.6);
}
.timeline-header {
    width: 100%;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}
.timeline {
    max-width: 748px;
    margin: 0 auto;
    position: relative;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-wrap: wrap;
    -webkit-flex-direction: column;
    flex-wrap: wrap;
}
.timeline:before {
    content: '';
    width: 2px;
    height: 100%;
    margin-left: -1px;
    background: rgba(255, 255, 255, 0.7);
    position: absolute;
    left: 50%;
}
.timeline-item {
    width: calc(50% - 40px);
    padding: 40px 0;
    position: relative;
    display: -webkit-flex;
    display: flex;
}
.timeline-item .timeline-tit {
    font-size: 16px;
    font-weight: 600;
    line-height: 18px;
    text-transform: uppercase;
}


@media (min-width: 768px) {
    .timeline-item {
        opacity: 0.3;
        /*transform: translateY(-80px);*/
        -webkit-filter: blur(2px);
        filter: blur(2px);
        -webkit-transition: 0.5s;
        -moz-transition: 0.5s;
        transition: 0.5s;
    }
    .timeline-item:nth-child(even) {
        align-self: flex-end;
    }
    .timeline-item .timeline-tit {
        width: 100%;
        margin-bottom: 0;
        position: absolute;
        left: calc(100% + 36px);
        top: 70%;
    }
    .timeline-item .timeline-tit:before,
    .timeline-item .timeline-tit:after {
        content: '';
        width: 8px;
        height: 8px;
        border-radius: 50%;
        margin-top: -2px;
        background-color: white;
    }
    .timeline-item:nth-child(even) .timeline-tit {
        text-align: right;
        left: auto;
        right: calc(100% + 36px);
    }
    .timeline-item .timeline-tit:before {
        margin-right: 4px;
        display: inline-block;
    }
    .timeline-item .timeline-tit:after {
        margin-left: 4px;
        display: none;
    }
    .timeline-item:nth-child(even) .timeline-tit:before {
        display: none;
    }
    .timeline-item:nth-child(even) .timeline-tit:after {
        display: inline-block;
    }
    .timeline-item--active {
        opacity: 1;
        -webkit-transform: translateY(0);
        -moz-transform: translateY(0);
        transform: translateY(0);
        -webkit-filter: blur(0px);
        filter: blur(0px);
    }
    .timeline-item .timeline-year {
        margin-top: -10px;
        -webkit-transition: .4s;
        -moz-transition: .4s;
        transition: .4s;
    }
    .timeline-item--active .timeline-tit {
        opacity: 1;
        top: 50%;
        top: 159px; /*40 del padding + 128 de la mitad de la foto - 19 de la mitad del titulo*/
        -webkit-transition: .3s all .2s;
        -moz-transition: .3s all .2s;
        transition: .3s all .2s;
    }
    .timeline-item--active .timeline-year {
        margin-top: -32px;
    }
}
@media (max-width: 767px) {
    .timeline:before {
        left: 40px;
    }
    /*.timeline-container:before {
        background-image: url('../../images/estaticasFront/historia18.jpg');
        background-size: cover;
        background-position: center center;
        background-attachment: fixed;
        opacity: 0.5;
    }*/
    .timeline-item {
        width: 100%;
        padding: 0 30px 100px 80px;
        -webkit-align-self: baseline !important;
        align-self: baseline !important;
    }
    .timeline-item:before {
        width: 60px;
        text-align: center !important;
        top: 50px;
        left: 10px !important;
    }
    .timeline-item:last-child {
        padding-bottom: 0;
    }
}