Cambiar colores a mi tema

Hola mpcdigital, quería agradecer la celeridad de tu respuesta, ¿me podrías concretar un poco más donde debo de entrar para poder modificar esto? o concretamente, ¿que parametros hacen referencia a los links o cuerpo del texto y tal? El código CSS de mi blog es el siguiente:

`/* FONTS */

body{
font-family: Helvetica, Arial, sans-serif;
color: #696969;
font-size: 1em;
line-height: 1.5em;
font-size: 100%;
font-size-adjust: none;
font-variant: normal;
font-weight: normal;
-webkit-font-smoothing: antialiased;
text-rendering: optimizeLegibility;
}

p {
font-size: 1em;
line-height: 1.5em;
margin: 1em 0 1.5em 0;
padding: 0;
}

h1 {
font-size: 2em;
line-height: 1;
margin-bottom: 0.5em;
}

h2 {
font-size: 1.5em;
font-weight: normal;
line-height: 1.25;
margin-bottom: 0.75em;
}

h3 {
font-size: 1.3em;
font-weight: normal;
line-height: 1;
margin-bottom: 1em;
}

h4 {
font-size: 1.1em;
font-weight: normal;
line-height: 1.25;
margin-bottom: 1.25em;
}

h5 {
font-size: 1em;
font-weight: bold;
margin-bottom: 1.5em;
}

h6 {
font-size: .75em;
font-weight: bold;
}

h1, div#header h1 span, h2, h3, h4, h5, textarea#comment, input#author, input#email, input#url {
font-family: Georgia, «Times New Roman», serif;
color: #585858;
}

div#content small, div.postmeta, ul#sidebar, div#footer, p.commentloggedin, div.reply, div.feed {
font-size: .75em;
}

#header span {
font-size: 0.65em;
font-weight: normal;
}

hr{
border: 0;
margin: 30px 0 30px 0;
border-bottom:1px dotted #d1d1d1
}

h2.title {
font-size: 1.5em;
font-weight: normal;
}

/* SITE-WIDE */

.left {
float:left;
}

.right {
float:right;
}

.center {
text-align:center;
}

p.right {
text-align:right;
}

p.center {
text-align:center;
}

p.admin {
color: #aaa;
font-size: 12px;
}

p.nocomments {
padding: 0 20px;
font-style: italic;
color: #585858;
}

p.pagelink {
word-spacing: 5px;
}

p.pagelink a {
padding: 5px;
border: 1px dotted #d1d1d1;
}

.aligncenter, div.aligncenter {
display: block;
margin-left: auto;
margin-right: auto;
}

.alignleft {
float: left;
}

.alignright{
float: right;
}

img.alignleft{
margin-right: 15px;
margin-bottom: 15px;
}

img.alignright{
margin-left: 15px;
margin-bottom: 15px;
}

img.aligncenter{
margin-bottom: 15px;
}

img.size-full {
max-width: 500px;
}

.frame {
padding: 5px;
border: 1px dotted #d1d1d1
}

blockquote, .comment-field {
padding: 10px 10px 0 10px;
border: 1px dotted #d1d1d1;
background-color:#fcfcfc;
margin-bottom: 20px;
font-style: italic;
}

blockquote p {
margin-top: 0 !important;
}

div.gallery {
margin-bottom: 14px;
}

dl.gallery-item {}
dt.gallery-icon {}

img.attachment-thumbnail {
border:0;
}

dd.gallery-caption {
color: #585858;
font-size: 0.75em;
font-style: italic;
margin-top: 8px;
}

table {
border: 1px dotted #d1d1d1;
padding: 15px;
margin-bottom: 1.5em;
}

td{
padding: 5px 5px;
border-right: 1px dotted #d1d1d1;
}

th{
padding-bottom: 5px;
padding: 5px 5px;
}

caption{
font-weight: bold;
border-bottom: 1px dotted #d1d1d1;
padding-bottom: 10px;
margin-bottom: 5px;
}

/* LINKS */

a {
color: #585858;
text-decoration: none;
border-bottom: 1px dotted #d1d1d1;
}

a:hover {
color: #00a9da;
border-bottom-color: #00a9da;
}

div.postmeta span.comments a {
font-weight:bold;
text-transform: uppercase;
padding: 2px 5px 1px 0px !important;
margin-right: 2px;
border: 0;
border-right: 1px dotted #d1d1d1;
}

h1 a:hover, h2 a:hover {
text-decoration: none;
}

h1 a:link, h1 a:active, h1 a:visited {
color: #585858;
}

a.more-link, a.post-edit-link,div.reply a{
padding: 5px;
border: 1px dotted #d1d1d1;
}

/* HEADS */

div#content h1{
margin-bottom: 8px;
padding-bottom: 16px;
}

div#content h1.listhead {
font-size: 0.85em;
text-transform: uppercase;
background: #f8f8f8;
border: 1px dotted #d1d1d1;
margin: 0 0 20px 0;
padding: 10px !important;
}

ul#sidebar h2, div.nav{
font-size: 1em;
text-transform: uppercase;
font-weight: bold;
}

ul#sidebar h2 {
margin-bottom: 10px;
}

#header {
margin-bottom: 25px;
border-bottom: 1px dotted #d1d1d1;
}

h1.blog-title {
font-size: 1.5em;
padding: 40px 0 30px 0;
}

h1.blog-title a:link, h1.blog-title a:active, h1.blog-title a:visited{
border-bottom: none;
}

h1.blog-title a:hover {
border-bottom: 1px dotted #d1d1d1;
}

/* MENU */

/* 1st level */
.menu {
position:relative;
font-size: 0.95em;
height: 45px;
line-height: 3em;
list-style: none;
margin:0;
padding-top:2px;
border-top: 1px dotted #d1d1d1;
}

.menu li {
float:left;
list-style:none;
padding:0;
position:relative;
}

.menu ul li {
_display: inline;
_width: 100%;
}

#menu-navigation ul li {
width: 110px;
}

.menu li a {
color: #585858;
border-bottom: 0;
display:block;
margin-right: 15px;
width: 100%;
}

.menu li a:hover {
color: #00a9da;
border-bottom: 0;
}

/*2nd level*/
.menu li ul {
display: none;
float:none;
position: absolute;
padding:0;
left: 0;
top: 98%;
z-index:1;
}

.menu ul li ul {
top: -1px;
left: 100%;
width: 100%;
}

ul li.page_item ul {
top: 100%;
left: 0;
}

.menu li ul li {
padding-left: 10px;
}

.menu ul.children {
margin-left: 0;
}

.menu li ul li a {
padding:0;
}

.menu ul ul li {
float:none;
}

.menu ul ul li a {
display: inline-block;
padding:0;
width: 100%;
}
.menu li:hover > ul{
background:#ffffff;
border: 1px dotted #d1d1d1;
box-shadow: 3px 2px 5px #d1d1d1;
clear:both;
display:block;
}

/* 3rd level */
.menu ul ul ul {
top:0;
left:100%;
}

.menu ul li li ul.children {
margin-top: 0;
}

/*LAYOUT*/

#wrapper {
width: 900px;
margin: auto;
}

#content {
width: 600px;
padding-right: 30px;
float: left;
}

#content img {
padding: 10px;
border: 1px dotted #d1d1d1;
}

#content .wp-smiley {
padding: 0;
border: 0;
}

#content ul li {
list-style: none;
line-height: 21px;
}

#content ul, #content ol {
margin-bottom: 20px;
}

#content ol li {
margin-left: 20px;
line-height: 21px;
}

.wp-caption {
font-size: 0.85em;
font-style: italic;
text-align:center;
padding: 0 25px;
max-width: 500px;
margin: 0 !important;
}

.wp-caption-text {
padding-top: 10px;
}

p.page-link {
display: inline;
font-size: 0.75em;
border: 1px dotted #d1d1d1;
padding: 5px 10px;
}

p.page-link a {
color: #bbb;
border: none;
padding: 0 10px;
border-right: 1px dotted #d1d1d1;
}

p.page-link a:hover {
color: #555;
}

p.page-link a:last-of-type {
border-right: 0;
}

div#content embed, .embedded {
text-align:center;
margin: 0 0 14px 0;
}

div#content p span {
background: #fcfcfc;
}

.sticky {
padding: 20px;
background-color: #fcfcfc;
border: 1px dotted #d1d1d1;
margin-bottom: 25px;
}

.sticky hr, .sticky .postmeta {
display: none;
}

.sticky h2 a {
border: 0;
}

.sticky h2 {
margin-top: 0;
padding-bottom: 15px;
border-bottom: 1px dotted #d1d1d1;
}

h2.comments-title {
margin-bottom: 25px !important;
}

div.comment-body p {
margin-bottom: 10px !important;
}

div.postmeta {
margin-bottom: 10px;
line-height: 1.4;
}

ul.commentlist {}

ul.comment li div.comment-author, ul.comment li div.comment-meta {
font-size: 0.75em;
line-height: 16px;
}

div.comment-author cite.fn {
font-family: Georgia, «Times New Roman», serif;
font-size: 1em;
font-style: normal;
font-weight:bold;
}

div.comment-author cite.fn a {
text-decoration: none;
}

div.comment-meta {
font-size: 0.75em;
}

div.comment-author {
margin: 0 0 5px 0;
}

div.comment-author img {
float: left;
border-radius: 5px;
margin: 0 10px 10px 0;
}

li.comment {
margin-bottom: 10px;
border-bottom: 1px dotted #d1d1d1;
padding-bottom: 10px;
}

ul.commentlist li.even {}
ul.commentlist li.odd {}
ul.commentlist li.bypostauthor {}

ul.comment li.pingback {
font-size: 0.75em;
color: #777;
padding: 0 0 10px 5px;
}

ul.comment li.pingback a {
font-size: 0.75em;
font-weight:normal;
}

ul.comment li.pingback p, ul.comment li.pingback span, ul.comment li.pingback div.comment-meta, ul.comment li.pingback div.reply {
display:none;
}

div.reply {
display:block;
overflow: hidden;
padding: 5px 0 5px 0;
}

ul.children {
margin: 45px 0 20px 20px;
}

ul.children li {
margin: 10px 0;
padding-left: 10px;
border-left: 1px dotted #d1d1d1;
border-bottom: 0;
margin-left: 0 !important;
}

div#respond {
margin-top: 20px;
}

div#respond h3 {}

table.commenttable {
border:0;
padding: 0;
}

table.commenttable tr td {
font-size: 12px;
line-height: 12px;
text-transform: uppercase;
}

form#commentform {}

input#author, input#email, input#url {
margin-bottom: 5px;
padding: 10px;
width: 580px;
border: 1px dotted #d1d1d1;
}

#searchform input.keyword{
padding: 8px;
width: 230px;
color: #585858;
border: 1px dotted #d1d1d1
}

#searchform input.button {
margin-left: 102px;
display: none;
}

textarea#comment {
width: 580px;
height: 150px;
padding: 10px;
border: 1px dotted #d1d1d1;
}

#sidebar {
float: left;
width: 230px;
border-left: 1px dotted #d1d1d1;
padding-left: 20px;
}

.widget{
margin-bottom: 20px;
}

ul#sidebar ul.children {
margin: 5px 0 0 0;
}

ul#sidebar ul.children li {
border: 0;
}

ul#sidebar li {
list-style: none;
margin: 0 0px 20px 0;
line-height: 18px;
}

ul#sidebar li ul li {
margin-bottom: 5px;
}

ul#sidebar li ul li ul {
margin: 5px 0 0 10px;
}

ul#sidebar li.widget_tag_cloud,li#tag_cloud {
line-height: 28px !important;
word-spacing: 5px
}

li#search {}
ul#sidebar li.categories {}

#calendar_wrap {
text-align:center;
}

#footer {
width: 100%;
margin-top: 50px;
border-top: 1px dotted #d1d1d1;
clear:both !important;
float: left;
padding: 50px 0 30px 0;
line-height: 0;

Muchas gracias por la ayuda de verdad. Un saludo.

GRACIAS!! @mpcdigital! voy a ellos, gracias tomascot me los mirare!