1991/1991.css

html {
    background: #2637dd;
    font-family: "Roboto Mono", monospace;
    font-weight: 500;
    color: #fff;
    -webkit-font-smoothing: antialiased;
}
header {
    text-align: center;
    margin-top: 8%;
    font-family: "Rubik Mono One", sans-serif;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
}
header p {
    margin-top: 1em;
}
.l1991 {
    font-size: 0;
    position: relative;
    display: inline-block;
    width: 45%;
    max-width: 600px;
    min-width: 250px;
    height: 60px;
    margin-right: -1%;
}
.l {
    display: inline-block;
    width: 23%;
    height: 100%;
    margin-right: 2%;
    box-sizing: border-box;
    font-size: 0;
    position: relative;
}
.l1 {
    border-bottom: solid 9px;
}
.l1:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    box-sizing: border-box;
    border: solid 9px;
    border-left: none;
    border-bottom: none;
    width: 69.23%;
    height: 100%;
}
.l9:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 56.83%;
    -webkit-border-radius: 15px;
    -webkit-border-bottom-right-radius: 0;
    -moz-border-radius: 15px;
    -moz-border-radius-bottomright: 0;
    border-radius: 15px;
    border-bottom-right-radius: 0;
    box-sizing: border-box;
    border: solid 9px;
}
.l9:after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    width: 97.89%;
    height: 56.83%;
    -webkit-border-bottom-right-radius: 20px;
    -moz-border-radius-bottomright: 20px;
    border-bottom-right-radius: 20px;
    box-sizing: border-box;
    border: solid 9px;
    border-top: none;
    border-left: none;
}

article {
    display: block;
    width: 60%;
    margin-left: 20%;
}
section {
    text-align: justify;
    font-size: 1em;
    line-height: 2em;
}
main h1 {
    margin-top: 8%;
    margin-bottom: 0;
    font-family: "Rubik Mono One";
    background: #fff;
    color: #2637dd;
    padding: 0.1em 0.3em;
    font-size: 1.2em;
    text-transform: uppercase;
    display: inline-block;
}

h2 {
    margin-top: 5%;
}

strong {
    font-weight: inherit;
    color: #2637dd;
    background: #fff;
    padding-left: 0.3em;
    padding-right: 0.3em;
}
a {
    color: inherit;
    text-shadow: 1px 1px #2637dd, -1px -1px #2637dd;
    text-decoration: underline;
}
a:hover {
    text-decoration: none;
    text-decoration: line-through;
}

code {
    padding: 2px 5px;
    border: solid 1px;
    font-family: inherit;
}
pre {
    display: block;
    border: solid 2px;
    padding: 10px;
    margin: 10px 0px;
    white-space: pre-wrap;
    font-family: inherit;
    line-height: 1.5em;
    overflow: hidden;
}

::selection {
    background: #fff;
    color: #2637dd;
    text-shadow: none;
}
::-moz-selection {
    background: #fff;
    color: #2637dd;
    text-shadow: none;
}

footer {
    margin-top: 8%;
    margin-bottom: 5%;
    text-align: center;
}

footer .l1991 {
    width: 150px;
    height: 25px;
    min-width: auto;
}
footer .l1991 .l,
footer .l1991 .l:before,
footer .l1991 .l:after {
    border-width: 4px;
}
footer .l1991 .l9:before {
    -webkit-border-radius: 7px;
    -webkit-border-bottom-right-radius: 0;
    -moz-border-radius: 7px;
    -moz-border-radius-bottomright: 0;
    border-radius: 7px;
    border-bottom-right-radius: 0;
}
footer .l1991 .l9:after {
    -webkit-border-bottom-right-radius: 8px;
    -moz-border-radius-bottomright: 8px;
    border-bottom-right-radius: 8px;
}