:root{--purple:#eadefc;--yellow:#fcffdb;--green:#e4ffdb}body,html{padding:0;margin:0;font-family:Rubik,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-weight:300}a{color:inherit;text-decoration:none}html{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}*,:after,:before{-webkit-box-sizing:inherit;-moz-box-sizing:inherit;box-sizing:inherit}h1,h2{font-weight:500;margin-top:3em}button{border:3px solid #000;padding:.5em;font-family:Rubik,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-weight:300;background-color:#fff;border-radius:5px;margin:0 7px;font-size:1.1em;-webkit-transition:1s;-moz-transition:1s;transition:1s}@media(min-width:650px){button{margin:0 2rem;padding:.5em 1em;font-size:1.2em}}.container{padding:0 2rem}.main{min-height:100vh;flex:1 1;-moz-box-orient:vertical;-moz-box-direction:normal;flex-direction:column;max-width:1000px;margin:auto}.footer,.main{padding:2rem 0;-moz-box-flex:1;display:-moz-box;display:flex;-moz-box-pack:center;justify-content:center}.footer{flex:1 1;border-top:1px solid #eaeaea}.footer,.footer a{-moz-box-align:center;align-items:center}.footer a{display:-moz-box;display:flex;-moz-box-pack:center;justify-content:center;-moz-box-flex:1;flex-grow:1}.title{margin:0;line-height:1.15;font-size:2.5rem}@media(min-width:768px){.title{font-size:4rem}}.description,.title{text-align:center}.description{margin:2rem 0;line-height:1.5;font-size:1.5rem}.grid{display:-moz-box;display:flex;-moz-box-align:center;align-items:center;-moz-box-pack:center;justify-content:center;flex-wrap:wrap;width:90%;max-width:1000px;margin:auto}.start{display:block;margin-left:auto;background-color:var(--purple);margin-top:2em}.selected{background-color:var(--yellow)}