gobang/src/component/Navigation.css

.body{
    position: absolute;
    transform: translate(-50%,-50%);
    top: 50%;
    left: 50%;
    width: 30rem;
    height: 30rem;
}
.back-hall{
    position:absolute;
    top: -3rem;
    left: 0rem;
}
.back-hall button {
    height: 2rem;
    width: 6rem;
}
.nav-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 4rem;
    position: relative;
    bottom: 2rem;
    border: 1px solid black;
}
/* .nav-item{
    border: 0.01rem solid red;
} */
.beginGame{
    width: 8rem;
    margin: 0 auto;
    display: inherit;
    margin-top: 1rem;
    height: 2rem;
    border-radius: 5%;
}
.avatar{
    height: 100%;
    width: 4rem;
}
.right-avatar{
    float: right;
}
.user-text{
    width: 5.9rem;
    display: inline-block;
    font-size: .8rem;
    text-align: center;
    line-height: 1.2rem;
    overflow: hidden;
}
.text-box{
    width: 5.9rem;
    height: 100%;
    display: inline-block;
    vertical-align:top;
    padding-top: .5rem;
}