Update for FilthiestCasual

/* Profile by AlthIndor */

html, body {background: linear-gradient(to top, #000000 28px, transparent 28px) fixed, url('https://images2.imgbox.com/51/e0/mGLoxCFC_o.png') #FFFFFF fixed center no-repeat;}
body #gaia_header {z-index: 999 !important;}
body a {text-decoration: none !important;}

.panel, .panel h2::after {background: url('https://images2.imgbox.com/69/5f/frExmS3E_o.png') border-box no-repeat;}

/* Fonts */

@font-face {
 font-family: 'Montserrat';
 font-style: normal;
 font-weight: 400;
 src: local('Montserrat Regular'), local('Montserrat-Regular'), url(https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2) format('woff2'), url(https://fonts.gstatic.com/s/montserrat/v10/zhcz-_WihjSQC0oHJ9TCYBsxEYwM7FgeyaSgU71cLG0.woff) format('woff');
}

@font-face {
 font-family: 'Open Sans';
 font-style: normal;
 font-weight: 400;
 src: local('Open Sans'), local('OpenSans'), url(https://fonts.gstatic.com/s/opensans/v15/mem8YaGs126MiZpBA-UFVZ0b.woff2) format('woff2'), url(https://fonts.gstatic.com/s/opensans/v13/cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
}

/* Header */

#viewer #gaia_header {
 background: #000000;
 height: 28px !important;
}

#gaia_header #header_left, #gaia_header #header_right {
 width: 50% !important;
 font-size: 0 !important;
 padding: 0 1px !important;
 box-sizing: border-box;
}
#gaia_header #header_right {float: right !important;}
#gaia_header .spacer {display: none !important;}
#gaia_header li {margin: 0 5px;}

#header_left img {
 background: url('https://gaia.hs.llnwd.net/e1/images/gaia_global/gaia_header/br_gaia_logo_header.png') 0 0 no-repeat;
 background-size: 100% auto;
 width: 0;
 height: 18px;
 padding: 0 38px 0 0;
 margin: 0 -1px 0 0;
}

#gaia_header a, #header_left li:last-of-type::after {
 color: #FFFFFF !important;
 font: normal 11px/28px 'Montserrat', sans-serif;
 text-transform: uppercase;
}

#header_left li:last-of-type::after {
 content: 'Layout By AlthIndor';
 margin-left: 11px;
 opacity: .75;
}

/* Columns */

#columns, #column_1 {
 width: 100%;
 height: 100%;
 margin: 0;
 position: absolute;
 top: 0;
 left: 0;
}
#column_2, #column_3 {display: none;}

#columns ::-webkit-scrollbar {
 background: #404040;
 width: 10px;
 border-radius: 3px;
}

#columns ::-webkit-scrollbar-thumb {
 background: #808080;
 border: 1px solid #404040;
 border-radius: 3px;
}

/* Panels */

.panel, .panel h2 {
 color: #FFFFFF;
 text-align: center;
 padding: 0;
 margin: 0;
 box-sizing: border-box;
}

.panel {
 font: 11px/1.6em 'Open Sans', sans-serif;
 position: absolute;
 overflow: hidden;
}
.panel a {color: #FFFFFF;}

#id_about, #id_comments, #id_wishlist, #id_footprints, #id_friends {
 width: 540px;
 height: 540px;
 bottom: -540px;
 left: calc(50% - 270px);
 border: 12px solid transparent;
 z-index: 2;
}
.panel:not(#id_details):not(.media_panel):hover {bottom: 37px;}

#id_about, #id_wishlist, #id_footprints, #id_friends, #id_comments dl {
 padding-right: 10px;
 overflow-x: hidden;
 overflow-y: scroll;
}
#id_about img, #id_comments .postcontent img {max-width: 100%;}
.bbcode-swapping-image {background: url('https://i.imgur.com/Fk5mUXF.png');}

.panel:not(.media_panel) h2 {
 background: #000;
 width: 100px;
 height: 28px;
 font: normal 11px/28px 'Montserrat', sans-serif;
 position: fixed;
 bottom: 0;
 z-index: 99;
}

.panel:not(.media_panel) h2::after {
 content: '';
 background-position: 25px bottom;
 display: block;
 width: 100%;
 height: 0;
 position: absolute;
 top: -15px;
 left: 0;
}
.panel:hover h2::after {height: 25px;}

#id_about h2 {left: calc((100% - 540px) / 2);}
#id_comments h2 {left: calc((100% - 540px) / 2 + 110px);}
#id_wishlist h2 {left: calc((100% - 540px) / 2 + 220px);}
#id_footprints h2 {left: calc((100% - 540px) / 2 + 330px);}
#id_friends h2 {left: calc((100% - 540px) / 2 + 440px);}

/* Details */

#id_details {
 background: none;
 width: 120px;
 height: 150px;
 top: calc(50% - 190px);
 left: calc(50% - 190px);
 z-index: 1;
}
#id_details h2 {display: none;}
#id_details p:nth-of-type(n+2) {display: none;}
#id_details .forum_userstatus {display: none;}

/* Comments */

#id_comments #alerts_banner {display: none;}
#id_comments .deletecomment {margin: 0 0 0 7px;}
#id_comments .date {font: 9px/2em monospace;}
#id_comments .date a {font-weight: normal;}

#id_comments dl {
 width: 100%;
 height: calc(100% - 45px);
 text-align: justify;
 position: absolute;
 bottom: 0;
 left: 0;
 box-sizing: border-box;
}

#id_comments dt {
 line-height: normal;
 padding: 0;
 margin-bottom: 3px;
 border-color: #808080;
}

#id_comments dd {margin: 0 0 10px 0;}
#id_comments dd:last-of-type {margin: 0;}

#id_comments .dropBox {
 background: #404040;
 width: 48px;
 height: 60px;
 margin: 4px 7px 0px 0px;
 border: 1px solid #808080;
 overflow: hidden;
}
#id_comments dd:hover .dropBox {background: #FFFFFF;}

#id_comments .dropBox img {
 width: 120px;
 height: 150px;
 margin-top: -26px;
 margin-left: -46px;
}

/* Comments Links */

#id_comments h2 + div, #id_comments div ~ p {
 background: #FFFFFF;
 float: left;
 width: calc(50% - 5px);
 height: 34px;
 margin: 0;
 position: relative;
 box-shadow: 0 0 0 2px #FFFFFF inset, 0 0 0 4px #000000 inset;
}
#id_comments h2 + div {margin-right: 10px;}

#id_comments #alert_container, #id_comments #alert_container a, #id_comments p a[href*='comments'] {
 display: block;
 width: 100%;
 height: 100%;
 padding: 0;
}

#id_comments #alert_container a, #id_comments p a[href*='comments'] {
 color: #000000;
 font: normal 11px/34px 'Montserrat', sans-serif;
 text-transform: uppercase;
}

/* Wish List */

#id_wishlist {
 display: grid;
 grid-template-columns: repeat(10, 1fr);
 grid-auto-rows: min-content;
 grid-gap: 10px 10px;
}

#id_wishlist .item {
 background: #404040;
 width: 100%;
 height: 40px;
 padding: 5px;
 position: relative;
 border-radius: 3px;
 box-sizing: border-box;
}
#id_wishlist .item:hover {background: #FFFFFF;}

.premium_sparkle, .owner_checkmark {
 margin: 0;
 top: calc(50% - 15px);
 left: calc(50% - 15px);
}

#equipped-list, #equipped-list ~ #equipped-item-details, #equipped-item-details_mask {display: none !important;}
#equipped-list_c, #equipped-item-details_c {z-index: 9 !important;}

/* Visitors */

#id_footprints .item {padding: 3px;}
#id_footprints .item:nth-of-type(even) {background: #404040;}

/* Friends */

#find_friends_banner {display: none;}
#id_friends h2 ~ p {display: none;}

#id_friends ul:not(.buttons) {
 display: grid;
 grid-template-columns: repeat(5,1fr);
 grid-gap: 10px 10px;
}

#id_friends ul:not(.buttons) li {
 background: #404040;
 width: 100%;
 padding-top: 2px;
 border-radius: 3px;
}
#id_friends ul:not(.buttons) li p {margin-bottom: 5px;}

#id_friends ul:not(.buttons) li img {
 background: #404040;
 border: 1px solid #808080;
}
#id_friends ul:not(.buttons) li:hover img {background: #FFFFFF;}

/* Media */

.media_panel {
 background: url('https://i.imgur.com/vcNz49l.png') rgba(0,0,0,.6);
 background-size: 32px auto;
 background-position: center -96px;
 width: 34px;
 height: 34px !important;
 top: 35px;
 left: 7px;
 border: 1px solid #FFFFFF;
 border-radius: 3px;
 box-shadow: 0 0 0 1px #000;
}
.media_panel:hover {background-color: #000;}

.media_panel h2 {
 background: #000000;
 width: auto;
 height: auto;
 color: #FFFFFF;
 font: bold 10px 'Open Sans', sans-serif;
 padding: 3px 5px;
 position: fixed;
 top: 62px;
 left: 34px;
 border: 1px solid #808080;
 box-shadow: 0 0 0 1px #000000;
 opacity: 0;
 pointer-events: none;
}
.media_panel:hover h2 {opacity: 1;}

.media_panel .buttons {
 position: fixed;
 top: 40px;
 left: 45px;
}

.media_panel object {
 position: absolute;
 bottom: -1px;
 left: -9px;
 opacity: .01;
}