html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video { margin: 0; padding: 0; border: 0; font: inherit; font-size: 100%; vertical-align: baseline; }

html { line-height: 1; }

ol, ul { list-style: none; }

table { border-collapse: collapse; border-spacing: 0; }

caption, th, td { text-align: left; font-weight: normal; vertical-align: middle; }

q, blockquote { quotes: none; }
q:before, q:after, blockquote:before, blockquote:after { content: ""; content: none; }

a img { border: none; }

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary { display: block; }

/* apply a natural box layout model to all elements */
*, *:before, *:after { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; }

body { background: #2ab8ac; }

.elements { list-style: none; }
.elements li { width: 100px; height: 100px; background-color: green; display: inline-block; }

.section { color: white; padding: 85px; text-align: center; }
.section h1 { font-family: "Microsoft YaHei","微软雅黑","Hiragino Sans GB","STHeiti","WenQuanYi Micro Hei",SimSun; font-size: 5em; }
.section h4 { font-size: 1.4em; font-family: "Microsoft YaHei","微软雅黑","Hiragino Sans GB","STHeiti","WenQuanYi Micro Hei",SimSun; }
.section > p { margin-top: 25px; line-height: 1.5em; }
.section a { color: rgba(0, 0, 0, 0.5); }
.section a:link { text-decoration: none; }
.section a:hover { color: rgba(0, 0, 0, 0.85); }
.section footer { position: absolute; bottom: 10px; width: 100%; left: 0; line-height: 1.3em; }

.home { width: 100%; height: 490px; position: relative; text-align: center; }
.home h1, .home h4 { position: relative; top: 50%; color: white; }
.home h1 { margin-top: 110px; }
.home h4 { margin-top: 10px; }

.glass { position: absolute; margin: auto; top: 0; right: 0; bottom: 0; left: 0; border-top: 169px solid white; border-left: 9px solid transparent; border-right: 9px solid transparent; height: 0; width: 70px; }
.glass:before, .glass:after { content: ''; position: absolute; border-left: 9px solid transparent; border-right: 9px solid transparent; height: 0; left: -9px; width: 70px; }
.glass:before { border-top: 169px solid rgba(0, 0, 0, 0.07); top: -169px; width: 58px; }
.glass:after { border-top: 94px solid rgba(0, 0, 0, 0.05); -webkit-transform: rotate(180deg); -ms-transform: rotate(180deg); transform: rotate(180deg); }

.bubble { position: absolute; width: 25px; height: 25px; background-color: #fff; border-radius: 50%; }
.bubble.big { width: 34px; height: 34px; }
.bubble.small { width: 16px; height: 16px; }
.bubble:nth-of-type(1) { box-shadow: inset 0 -4px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(2) { box-shadow: inset 0 -3px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(3) { box-shadow: inset 0 -4px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(4) { box-shadow: inset 0 -3px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(5) { box-shadow: inset 0 -2px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(6) { box-shadow: inset 0 -2px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(7) { box-shadow: inset 0 -1px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(8) { box-shadow: inset 0 -4px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(9) { box-shadow: inset 0 -1px 0 rgba(64, 83, 102, 0.1); }
.bubble:nth-of-type(10) { box-shadow: inset 0 -3px 0 rgba(64, 83, 102, 0.1); }

.bubble:nth-child(1) { top: -180px; left: -12px; }

.bubble:nth-child(2) { top: -200px; left: -5px; }

.bubble:nth-child(3) { top: -172px; left: 10px; }

.bubble:nth-child(4) { top: -193px; left: 25px; }

.bubble:nth-child(5) { top: -184px; left: 20px; }

.bubble:nth-child(6) { top: -178px; left: 40px; }

.bubble:nth-child(7) { top: -182px; left: 60px; }

.bubble:nth-child(8) { top: -182px; left: 55px; }

.bubble:nth-child(9) { top: -205px; left: 25px; }

.bubble:nth-child(10) { top: -170px; left: -20px; }

.straw { position: absolute; width: 10px; height: 140px; background-color: red; top: -300px; left: 61px; transform: rotate(7deg); z-index: -1; background-color: #e96144; background-image: repeating-linear-gradient(45deg, transparent, transparent 16px, rgba(255, 255, 255, 0.9) 16px, rgba(255, 255, 255, 0.9) 32px); box-shadow: inset -5px 0 0 rgba(0, 0, 0, 0.1); }

.arrow { position: absolute; bottom: 20px; left: 50%; margin-left: -10px; width: 0; height: 0; border-left: 15px solid transparent; border-right: 15px solid transparent; border-top: 15px solid rgba(255, 255, 255, 0.3); cursor: pointer; }
.arrow:before { content: ''; position: absolute; top: -15px; left: -8px; width: 0; height: 0; border-left: 8px solid transparent; border-right: 8px solid transparent; }
.section.shamrock .arrow:before { border-top: 10px solid #2ab8ac; }
.section.carrot .arrow:before { border-top: 10px solid #ffab52; }
.section.amethyst .arrow:before { border-top: 10px solid #9c55a5; }
.section.scooter .arrow:before { border-top: 10px solid #57cadd; }
.section.dolly .arrow:before { border-top: 10px solid #fff68d; }
.section.shamrock .arrow:before { border-top: 10px solid #2ab8ac; }
.section.pear .arrow:before { border-top: 10px solid #cce033; }

.section.carrot { background-color: #ffab52; }
.section.amethyst { background-color: #9c55a5; }
.section.scooter { background-color: #57cadd; }
.section.dolly { background-color: #fff68d; color: #2C3E50; }
.section.shamrock { background-color: #2ab8ac; }
.section.pear { background-color: #cce033; }

.color-carrot { color: #ffab52; }

.color-amethyst { color: #9c55a5; }

.color-scooter { color: #57cadd; }

.color-dolly { color: #fff68d; }

.color-shamrock { color: #2ab8ac; }

.color-pear { color: #cce033; }

.previews { display: block; list-style: none; width: 85%; margin: 34px auto 0; }
.previews li { display: inline-block; width: 150px; padding: 20px; vertical-align: middle; }
.previews.bigs li { width: 250px; }

.preview-item { font-family: "Microsoft YaHei","微软雅黑","Hiragino Sans GB","STHeiti","WenQuanYi Micro Hei",SimSun,sans-serif,Lucida,Verdana,Serif; font-size: 70px; line-height: 100px; position: relative; width: 100px; height: 100px; border-radius: 15px; color: rgba(255, 255, 255, 0.3); margin: auto; }
.preview-item.big { width: 200px; height: 200px; font-size: 160px; line-height: 200px; }
.section.carrot .preview-item { background-color: #ffc485; }
.section.amethyst .preview-item { background-color: #b075b8; }
.section.scooter .preview-item { background-color: #81d7e6; }
.section.dolly .preview-item { background-color: #fffac0; }
.section.shamrock .preview-item { background-color: #41d4c7; }
.section.pear .preview-item { background-color: #d7e75f; }
.preview-item:after { content: ""; width: 0; height: 0; border-left: 33px solid transparent; position: absolute; bottom: 0px; right: 0px; }
.section.carrot .preview-item:after { border-bottom: 33px solid #ffab52; }
.section.amethyst .preview-item:after { border-bottom: 33px solid #9c55a5; }
.section.scooter .preview-item:after { border-bottom: 33px solid #57cadd; }
.section.dolly .preview-item:after { border-bottom: 33px solid #fff68d; }
.section.shamrock .preview-item:after { border-bottom: 33px solid #2ab8ac; }
.section.pear .preview-item:after { border-bottom: 33px solid #cce033; }

.flip { position: absolute; right: 0; bottom: 0; width: 0; height: 0; border-right: 30px solid transparent; }
.section.carrot .flip { border-top: 30px solid #ffd09f; }
.section.amethyst .flip { border-top: 30px solid #ba86c1; }
.section.scooter .flip { border-top: 30px solid #97deea; }
.section.dolly .flip { border-top: 30px solid #fffcda; }
.section.shamrock .flip { border-top: 30px solid #56d8cd; }
.section.pear .flip { border-top: 30px solid #ddea75; }
.flip:after { content: ""; width: 0; height: 0; border-bottom: 30px solid rgba(0, 0, 0, 0.15); border-left: 30px solid transparent; position: absolute; bottom: 0; left: -30px; }

.preview-desc { margin-top: 20px; font-family: "Microsoft YaHei","微软雅黑","Hiragino Sans GB","STHeiti","WenQuanYi Micro Hei",SimSun,sans-serif,Lucida,Verdana,Serif, serif; }

.dropdown { position: relative; margin: 25px auto; height: 50px; width: 300px; }
.dropdown::after { content: "➘"; position: absolute; right: 11px; top: 13px; color: rgba(0, 0, 0, 0.2); font-size: 25px; }

.dropdown-select { position: relative; width: 100%; margin: 0; padding: 6px 8px 6px 10px; height: 50px; line-height: 25px; font-family: "Microsoft YaHei","微软雅黑","Hiragino Sans GB","STHeiti","WenQuanYi Micro Hei",SimSun,sans-serif,Lucida,Verdana,Serif; font-size: 25px; color: rgba(0, 0, 0, 0.5); background-color: rgba(255, 255, 255, 0.1); transition: background-color .3s; border: none; outline: none; border: 0; border-radius: 0; -webkit-appearance: none; }
.dropdown-select:hover, .dropdown-select:active { background-color: rgba(255, 255, 255, 0.5); }
.dropdown-select > option { margin: 3px; padding: 6px 8px; text-shadow: none; border-radius: 3px; cursor: pointer; }

.btn { font-family: "Microsoft YaHei","微软雅黑","Hiragino Sans GB","STHeiti","WenQuanYi Micro Hei",SimSun; font-size: 40px; padding: 10px 20px; margin-top: 34px; display: inline-block; transition: background-color, .3s; }
.btn.carrot { background-color: #ffab52; }
.btn.amethyst { background-color: #9c55a5; }
.btn.light:hover { background-color: rgba(0, 0, 0, 0.1); }

.btn + small { font-family: "Microsoft YaHei","微软雅黑","Hiragino Sans GB","STHeiti","WenQuanYi Micro Hei",SimSun; font-size: 16px; margin-top: 10px; display: block; }