body		{ margin: 0; background: black url(images/nightsky.png); color: white; }
.seikbody	{ width: 800px; text-align: left; font: normal 16pt monospace; margin: 96px 0 32px 0; }
a		{ color: white; }
hr		{ color: #130549; background-color: #130549; height: 3px; border: 0; margin: 40px 0;}
.image_box 	{ padding: 30px; background-color: #130549; border: solid 1px #130549; text-align: center; margin: 25px 0px; }
.ans		{ color: silver; padding: 5px 0px 25px 0px; }
ul		{ color: silver; }
.seiktiny	{ color: #86a7a7; font: normal 10pt monospace; }
.sketch_box 	{ border: solid 1px black; text-align: center; margin-bottom: 25px;} 

.flex_cont	{ display: flex; flex-flow: row wrap; align-items: stretch; }
.flex_item	{ margin: auto; padding: 16px; border: solid 1px red; flex-grow: 1; text-align: center; }