html时间轴样式

html代码

<div class="log-info">
            <div class="item-text-wrap">
                <div class="item item-divider task-title">
                    <div class="item-left">
                        <i class="icon ion-ios-paper-outline"></i>备注历史
                    </div>
                </div>
                <div class="task-content-line-times">
                    <section class="timeline">
                        <div class="timeline-block" ng-repeat="itemObj in historyRemarksList">
                            <div class="ctimeline-img">
                                <img src="img/real-time@2x.png">
                            </div>
                            <div class="r-info">
                                <div class="time-title">
                                    <texdivt>{{itemObj.contactDate}}</texdivt>
                                    <span ng-if="historyRemarksList.length>1" class="begin-end begin-all" ng-class="!$last?'item-last':''" style="background-color: #49c501;">起始</span>
                                    <span ng-if="historyRemarksList.length>1" class="begin-end end-all" ng-class="$index!=0?'item-first':''" style="background-color: #387ff5;">最新</span>
                                </div>
                                <div class="card">
                                    <div class="item-text-wrap">
                                        {{itemObj.remark}}
                                    </div>
                                </div>
                            </div>
                        </div>
                    </section>
                </div>
            </div>
        </div>

样式代码（有冗余代码）

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.log-info {
    margin: 8px 10px;
    background-color: #FFF;
    border-radius: 10px;
}
 
.log-info .task-title {
    display: flex;
    background-color: #FFF;
    border: 0px;
    border-radius: 3%;
}
 
.log-info .item-left {
    padding: 5px 0px 0px 0px;
    justify-content: flex-start;
    font-size: 14px;
}
 
.log-info .item-left i {
    color: #0c60ee;
    font-size: 17px;
    margin: 0px 5px 0px 0px;
}
 
.log-info .item-right {
    flex: 1;
    justify-content: flex-end;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 0px 5px;
    color: #3D82F1;
    font-size: 12px;
    font-weight: bold;
}
 
.log-info button {
    min-height: 25px;
    line-height: 23px;
    font-size: 12px;
}
 
.log-info .task-content-line textarea {
    border: 1px solid #E6E6E6;
    width: 100%;
    height: 70px;
    margin: 2px 0px 10px 0px;
    padding: 5px;
    resize: none;
}
 
.r-info .task-title .item-right {
    flex: 1;
    justify-content: flex-end;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 0px 5px;
    color: #3D82F1;
    font-size: 12px;
    font-weight: bold;
}
 
 
.top-card .item-text-wrap {
    padding: 10px 0px 0px 0px;
    border: 0px;
}
 
.task-content-line {
    padding: 7px 10px;
    margin: 0px 8px 0px 8px;
    font-size: 14px;
    display: flex;
    border-bottom: 1px solid #f0f0f0;
}
 
.task-content-line i {
    color: #0c60ee;
    font-size: 17px;
    margin: 0px 10px 0px 0px;
}
 
.task-content-line-left {
    color: #333333;
    width: 40%;
 
}
 
.task-content-line-right {
    word-break: break-all;
    word-wrap: break-word;
    color: #999999;
    text-align: right;
    width: 60%;
}
 
 
.timeline-block {
    border-left: 1px dashed #0c60ee;
    margin-left: 14px;
}
 
 
.ctimeline-img {
    position: relative;
    left: -10px;
    top: -5px;
}
 
.ctimeline-img img {
    border-radius: 25px;
    border: none;
    width: 20px;
    height: 20px;
}
 
 
.r-info {
    position: relative;
    top: -24px;
    left: 0px;
    width: 98%;
    margin-left: 5px;
}
 
 
.r-info .time-title {
    position: relative;
    left: 10px;
}
 
.r-info .card {
    margin: 10px 0px 0px 10px;
    background-color: #F1F7FE;
    padding: 10px;
    font-size: 13px;
    color: #808080;
    word-break: break-all;
    word-wrap: break-word;
    width: 28.5rem;
}
 
.r-info .task-title {
    font-size: 14px;
    font-weight: 600;
    display: flex;
    background-color: #FFF;
}
 
.r-info .task-title .item-left {
    justify-content: flex-start;
}
 
.r-info .task-title .item-right {
    flex: 1;
    justify-content: flex-end;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 0px 5px;
    color: #3D82F1;
    font-size: 12px;
    font-weight: bold;
}
 
.r-info .task-content-line-left {
    color: #7c7c7c;
}
 
.where-tag {
    font-size: 11px;
    background-color: #00cc00;
    color: #FFF;
    margin: 0px 10px;
    padding: 1px 4px;
    border-radius: 15%;
}
 
.top-item {
    line-height: 33px;
}
 
.js_content_txt {
    border-radius: 6px
}
 
.item-last {
    display: none;
}
 
.item-first {
    display: none;
}
 
 
.begin-end {
    padding: 1px 4px 1px 4px;
    color: #FFF;
    font-size: 13px;
    width: 200px;
    height: 40px;
    text-align: center;
    position: relative;
    border-radius: 3px;
    margin-left: 16px;
}
.begin-end:before {
    content: "";
    position: absolute;
    left: -10px;
    top: 5px;
    border-bottom: 5px solid transparent;
    border-top: 5px solid transparent;
}
.begin-all:before {
    border-right: 11px solid #49c501;
}
.end-all:before {
    border-right: 11px solid #387ff5;
}
 
 
.task-content-line-times {
    padding: 10px 0px;
    margin: 0px 8px 0px 0px;
    font-size: 14px;
    display: flex;
    border-bottom: 1px solid #f0f0f0;
}