.header{
    background: rgba(0, 0, 0, 0.55);
}
.alList {
    border: 1px solid #ddd;
}

.alList .listItem h3 {
    margin: 35px 0 20px 0;
}

.alList .listItem h3>span {
    width: 4px;
    height: 23px;
    background: #1976d2;
    display: inline-block;
    position: relative;
    top: 4px;
    margin-right: 8px;
    left: 3px;
}

.alList .listItem img {
    box-shadow: 1px 1px 6px 2px #ccc;
    width: 100%;
}.header{
    background: 