timeline style : demo 144

CSS

(Fonts required: Poppins.)
                        .main-timeline{ font-family: 'Poppins', sans-serif; }
                        .main-timeline:after{
                            content: '';
                            display: block;
                            clear: both;
                        }
                        .main-timeline .timeline{
                            padding: 0 40px;
                            margin: 0 0 50px;
                            box-shadow: 0 10px 15px -19px rgba(0,0,0,0.5) inset;
                        }
                        .main-timeline .timeline-content{
                            color: #999;
                            background: #fff;
                            text-align: center;
                            min-height: 140px;
                            padding: 40px 120px;
                            border: 12px solid #2563AE;
                            border-top: none;
                            border-radius: 0 0 40px 40px;
                            box-shadow: 0 10px 15px -15px rgba(0,0,0,0.5) inset;
                            display: block;
                            position: relative;
                        }
                        .main-timeline .timeline-content:before{
                            content: "";
                            border: 3px dashed #2563AE;
                            border-top: none;
                            border-radius: 0 0 30px 30px;
                            position: absolute;
                            top: 0;
                            left: 5px;
                            right: 5px;
                            bottom: 4px;
                        }
                        .main-timeline .timeline-content:hover{ text-decoration: none; }
                        .main-timeline .timeline-icon{
                            color: #2563AE;
                            font-size: 50px;
                            line-height: 50px;
                            transform: translateY(-50%);
                            position: absolute;
                            top: 50%;
                            left: 35px;
                        }
                        .main-timeline .timeline-step{
                            color: #2563AE;
                            font-size: 50px;
                            font-weight: 600;
                            line-height: 50px;
                            text-align: center;
                            transform: translateY(-50%);
                            position: absolute;
                            top: 50%;
                            right: 35px;
                        }
                        .main-timeline .timeline-step span{
                            font-size: 22px;
                            font-weight: 400;
                            line-height: 25px;
                            text-transform: uppercase;
                            display: block;
                        }
                        .main-timeline .title{
                            font-size: 28px;
                            font-weight: 500;
                            text-transform: uppercase;
                            margin: 0 0 8px;
                        }
                        .main-timeline .description{
                            font-size: 14px;
                            margin: 0;
                        }
                        .main-timeline .timeline:nth-child(4n+2) .timeline-content,
                        .main-timeline .timeline:nth-child(4n+2) .timeline-content:before{
                            border-color: #553986;
                        }
                        .main-timeline .timeline:nth-child(4n+2) .timeline-icon,
                        .main-timeline .timeline:nth-child(4n+2) .timeline-step{
                            color: #553986;
                        }
                        .main-timeline .timeline:nth-child(4n+3) .timeline-content,
                        .main-timeline .timeline:nth-child(4n+3) .timeline-content:before{
                            border-color: #EC4C1A;
                        }
                        .main-timeline .timeline:nth-child(4n+3) .timeline-icon,
                        .main-timeline .timeline:nth-child(4n+3) .timeline-step{
                            color: #EC4C1A;
                        }
                        .main-timeline .timeline:nth-child(4n+4) .timeline-content,
                        .main-timeline .timeline:nth-child(4n+4) .timeline-content:before{
                            border-color: #BF2A7E;
                        }
                        .main-timeline .timeline:nth-child(4n+4) .timeline-icon,
                        .main-timeline .timeline:nth-child(4n+4) .timeline-step{
                            color: #BF2A7E;
                        }
                        @media screen and (max-width:576px){
                            .main-timeline .timeline .timeline-content,
                            .main-timeline .timeline:nth-child(even) .timeline-content{
                                padding: 110px 25px 25px;
                            }
                            .main-timeline .timeline-icon{
                                transform: translateY(0);
                                top: 32px;
                            }
                            .main-timeline .timeline-step{
                                transform: translateY(0);
                                top: 17px;
                            }
                            .main-timeline .title{ font-size: 22px; }
                        }
                    
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