:root{--main-bg-color-main: #1d1d1d;--line-color-main: #cc1000;--text-color-main: #dce7eb;--nav-bg-color-main: #333;--hover-color-main: #949292;--main-bg-color-golden: #eeece1;--line-color-golden: #b8860b;--text-color-golden: #080600;--nav-bg-color-golden: #e4d978;--hover-color-golden: #4d440c;--main-bg-color-beige: #4b3621;--line-color-beige: #b4934c;--text-color-beige: #f5f5dc;--nav-bg-color-beige: #aa713c;--hover-color-beige: #dbad6d;--main-bg-color-tech: #f0f8ff;--line-color-tech: #20b2aa;--text-color-tech: #012447;--nav-bg-color-tech: #aef5f5;--hover-color-tech: #0f6145}body{margin:0;font-family:Arial,sans-serif;background-color:var(--main-bg-color-main);color:var(--text-color-main);transition:background-color .5s ease,color .5s ease}body.golden{background-color:var(--main-bg-color-golden);color:var(--text-color-golden)}body.beige{background-color:var(--main-bg-color-beige);color:var(--text-color-beige)}body.tech{background-color:var(--main-bg-color-tech);color:var(--text-color-tech)}.title{text-align:center;margin-top:20px;font-size:2.5em}.presentation{text-align:center;padding:50px;outline:var(--line-color-main) 5px solid;border-radius:1rem}.presentation.golden{outline:var(--line-color-golden) 5px solid}.presentation.beige{outline:var(--line-color-beige) 5px solid}.presentation.tech{outline:var(--line-color-tech) 5px solid}.full-page{height:100vh;display:flex;justify-content:center;align-items:center;flex-direction:column}button{padding:10px;font-size:1em;margin-top:20px;cursor:pointer;background-color:var(--line-color-main);color:var(--text-color-main);border-color:transparent;border-radius:40px;corner-shape:squircle;transition:background-color .5s ease,color .5s ease;transition:filter .3s,scale .3s ease-in-out}button.golden{background-color:var(--line-color-golden);color:var(--text-color-golden)}button.beige{background-color:var(--line-color-beige);color:var(--text-color-beige)}button.tech{background-color:var(--line-color-tech);color:var(--text-color-tech)}button:hover{scale:1.05;filter:brightness(1.1) contrast(1.1)}