#timeline *,
#timeline *:before,
#timeline *:after {
    box-sizing: border-box;
}

#timeline .timeline-item:after,
#timeline .timeline-item:before {
    content: '';
    display: block;
    width: 100%;
    clear: both;
}

#timeline {
    max-width: 1100px;
    width: 100%;
    margin: 30px auto;
    position: relative;
    padding: 0 10px;
    transition: all 0.4s ease;
}

#timeline:before {
    content: "";
    width: 3px;
    height: 100%;
    background: #e00000;
    left: 50%;
    top: 0;
    position: absolute;
}

#timeline:after {
    content: "";
    clear: both;
    display: table;
    width: 100%;
}

#timeline .timeline-item {
    margin-bottom: 50px;
    position: relative;
}

#timeline .timeline-item .timeline-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e00000;
    color: #FFF;
    font-size: 24px;
    width: 50px;
    height: 50px;
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -25px;
    border-radius: 50%;
}

#timeline .timeline-item .timeline-icon .material-icons {
    font-size: 30px;
    margin-left: 6px;
    /* Размер иконки */
}

#timeline .timeline-item .timeline-content {
    width: 45%;
    background: #fff;
    padding: 10px 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2), 0 4px 10px rgba(0, 0, 0, 0.2);
    border-radius: 5px;
    transition: all 0.3s ease;
    font-size: 16px;
    color: black;
    line-height: 1.6;
    font-weight: 500;
    font-family: 'Montserrat', sans-serif;
}

#timeline .timeline-item .timeline-content h4 {
    padding: 15px;
    background: #00A000;
    color: #fff;
    margin: -20px -20px 10px -20px;
    font-weight: 300;
    border-radius: 3px 3px 0 0;
}

#timeline .timeline-item .timeline-content:before {
    content: '';
    position: absolute;
    left: 45%;
    top: 20px;
    width: 0;
    height: 0;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 7px solid #00A000;
}

#timeline .timeline-item:nth-child(even) .timeline-content {
    float: right;
}

#timeline .timeline-item:nth-child(even) .timeline-content:before {
    content: '';
    right: 45%;
    left: inherit;
    border-left: 0;
    border-right: 7px solid #00A000;
}

@media screen and (max-width: 768px) {
    #timeline {
        margin: 30px;
        padding: 0px;
        width: 90%;
    }

    #timeline:before {
        left: 0;
    }

    #timeline .timeline-item .timeline-content {
        width: 90%;
        float: right;
    }

    #timeline .timeline-item .timeline-content:before,
    #timeline .timeline-item:nth-child(even) .timeline-content:before {
        left: 10%;
        margin-left: -6px;
        border-left: 0;
        border-right: 7px solid #337AB7;
    }

    #timeline .timeline-item .timeline-icon {
        left: 0;
    }
}

.hidden {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.show {
    opacity: 1;
    transform: translateY(0);
}