.license-list a {
    width: 45%;
    margin: 20px 0;
}

.license-img {
    position: relative;
}

.play-icon {
    position: absolute;
    left: auto;
    right: auto;
    z-index: 9;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, .5);
    transition: all .3s;
}

.play-icon:hover {
    transform: scale(0.9);
}

.play-icon .layui-icon {
    font-size: 50px;
    color: #dedede;
}
.license-list .license-item .license-img{
    padding: 0;
}
.license-list .license-item .license-img img{
    width: 100%;
}