.grid-container{display:grid;column-gap:10px;row-gap:10px;grid-template-columns:repeat(7,13.8%)}.day{text-align:center;font-size:45px}.today{background-color:#8fbc8f}.blue{background-color:#f0f8ff}.purple{background-color:plum}.yellow{background-color:#ff0}.green{background-color:#7fffd4}.activity{font-size:100px}.time{position:absolute;font-size:30px;display:block;margin:5px}.participants{margin-top:-40px;font-size:50px;z-index:-10000}body{margin:0}