form{display:none;}

body{
font: normal 1.8em/1.4 sans-serif;
color:#9f9;
background-color:#000;
background-image:url();
background-repeat:no-repeat;
background-position:right bottom;
}
a{
font: normal 1.4 sans-serif;
color:#9f9;
text-decoration:none;
}

.grid_test {
    display: grid;  /* グリッドコンテナを作る */
    grid-template-columns:2fr 2fr 2fr 2fr 4fr;      /* 縦向きのグリッドラインを決める */
    grid-template-rows:2fr 2fr 2fr;    /* 横向きのグリッドラインを決める */
}

.grid_test-child {
background-color:#242;
 text-align:center;
  line-height: 100px;
　 display:inline;
    width:100px;
    height:100px;
   border:2px solid #9f9;
    border-radius:  50%;    /* 角丸指定 */
    margin: 5px;            /* 周りの余白指定 */
    color:  #000;           /* 文字色指定 */
}
.grid_test-child:nth-child(1) {
    border:2px solid #6f6;
}
.grid_test-child:nth-child(2) {
    
}
.grid_test-child:nth-child(3){

}
.grid_test-child:nth-child(4) {
  
}
.grid_test-child:nth-child(5) {
  
}
.grid_test-child:nth-child(6) {
   
}
.grid_test-child:nth-child(7) {
    
}
.grid_test-child:nth-child(8) {
    
}
.grid_test-child:nth-child(9){

}
.grid_test-child:nth-child(10) {
  
}
.grid_test-child:nth-child(11) {
  
}
.grid_test-child:nth-child(12) {
   
}
.grid_test-child:nth-child(13) {
border:2px solid #6f6;

}