.active{
    background-color: #B2C9D2;
    font-size: xx-large;
    font-weight: bolder;
    border: 1px solid black;
}
.content-docker{
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
}
.item{
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 17px;
    width: 85%;
    height: 250px;
    background-color: #fff;
    border-radius: 30px;
}
.item img{
    width: 250px;
    height: 150px;
}
.left{
    width: 250px;
}
.right{
    width: 500px;
    height: 150px;
}
.title{
    font-size: x-large;
}
.content{
    margin-top: 10px;
    font-size: medium;
    color: gray;
}