*{
    /* box-sizing:border-box; */
    /* color: lightgreen; */
}

.content-box {
    background-color: rgb(203, 132, 236);
    width:300px;
    height:300px;
    padding:50px;
    border:5px dashed;
    margin:20px;
    border-radius:7.5%;
}

.border-box {
    background-color:rgb(180, 217, 250);
    width:300px;
    height:300px;
    padding:50px;
    border:5px dashed;
    margin:20px;
    border-radius:7.5%;
    box-sizing:border-box;
    display: inline-block;
}

.inline{
    background-color: rgb(255, 179, 151);
    width:60px;
    height:60px;
    padding:20px;
    border:1px solid;
    margin:20px;
    display: inline-block;
}