* {
     margin: 0;
     padding: 0;
     box-sizing: border-box
 }

 html {
     min-height: 100%;
 }

 body {
     color: #2b3a4a;
     font-family: 'Noto Serif', serif;
     font-size: 15px;
     line-height: 20px;
 }

 #wrapper {
     max-width: 850px;
     margin: 16px auto;
     border: 1px solid #2b3a4a;
     background-color: #fff;
 }

 header {
     background: #50b7c1;
     padding: 30px;
     display: flex;
     justify-content: flex-end;
 }

 article {
     padding: 50px 50px 0;
 }

 footer {
     display: flex;
     justify-content: flex-end;
 }

 .button {
     margin-top: -10px;
 }

 p {
     margin-top: 20px;
 }

 p:first-of-type {
     margin-top: 0px;
 }

 h1 {
     font-size: 18px;
     line-height: 24px;
     margin: 21px 0 0;
 }

 h2 {
     font-size: 16px;
     line-height: 24px;
     margin-top: 20px;
 }

 ul {
     list-style: none;
     margin-top: 20px;
 }

 ul li {
     padding-left: 12px;
 }

 li:before {
     content: "\2022";
     color: #2b3a4a;
     float: left;
     font-size: 16px;
     text-indent: -12px;
 }

 a {
     color: #50b7c1;
     text-decoration: none;
     font-weight: bold;
 }

 img {
     max-width: 100%;
     display: block;
 }

 @media only screen and (max-width:850px) {
     #wrapper {
         border: none;
         margin: 0;
     }

     article {
         padding: 16px
     }

     :is(p, ul) {
         hyphens: auto;
         text-wrap: pretty
     }

     :is(p, ul) span {
         white-space: nowrap;
     }

     .button {
         margin-top: 0
     }

     br {
         display: none
     }
 }