tumblr.user.css

/* ==UserStyle==
@name        Tumblr - Embiggen content, squash ads, remove whitespace
@namespace   StylishThemes
@version     1.0.4
@homepageURL https://github.com/quiddity-wp/style-tweaks
@updateURL   https://raw.githubusercontent.com/quiddity-wp/style-tweaks/master/tumblr.user.css
@license     CC-0
@author      quiddity-wp
==/UserStyle== */
@-moz-document domain("tumblr.com") {
@media screen and (min-width: 900px) {/* Embiggen content */
.u2tXn, .FtjPK, .BjErQ {max-width: unset !important; width: 900px;}
/* Squash ads */
.e1knl {display: none !important;}
/* Remove left whitespace */
.gPQR5 {margin-left: 0 !important;}
}

@media screen and (min-width: 500px) and (max-width: 900px) {/* Embiggen content */
.u2tXn, .FtjPK, .BjErQ {max-width: unset !important; width: 700px;}
/* Squash ads */
.e1knl {display: none !important;}
/* Remove left whitespace */
.gPQR5 {margin-left: 0 !important;}
#base-container {margin-left: -160px !important;}
}

@media screen and (max-width: 900px) {
  .persistent-player--theatre   {
    margin-top: 230px;
    max-height: 1230px !important;
  }
}

.jGgIg .ML6ef {
background-color: #222;
}

/* kill sidebar */
@media screen and (max-width: 1162px) {
  .h_Erh {display: none !important;}
}

@media screen and (min-width: 900px) and (max-width: 989px) {/* Embiggen content */
.gPQR5 {justify-content: unset !important}
}

/* hide blog suggestions */
.HphhS, .q1ZAL {display: none}
}