Não se esqueça de antes de começar salvar uma cópia de seu template, caso não dê certo, é só reinstalá-lo.Vá até o HTML do seu blog e procure pelo seginte trecho:
<b:widget id='Header1' locked='true' title='AQUI ESTARÁ O NOME DE SEU BLOG (Cabeçalho)' type='Header'/>
</b:section></div>
Depois dele, cole o código abaixo e salve:
<div id='header-columna-contenedor'>
<div id='header1'>
<b:section class='header-column' id='elk1' preferred='yes' style='float:left;'>
<b:widget id='Label4' locked='false' title='Marcadores' type='Label'/>
</b:section>
</div>
<div id='header2'>
<b:section class='header-column' id='elk2' preferred='yes' style='float:center;'>
<b:widget id='Label5' locked='false' title='Marcadores' type='Label'/>
</b:section>
</div>
<div id='header3'>
<b:section class='header-column' id='elk3' preferred='yes' style='float:right;'>
<b:widget id='Label6' locked='false' title='Marcadores' type='Label'/>
</b:section>
</div>
<div style='clear:both;'/>
</div>
Agora para costumizar esses novos widgets dar cor para o fundo, para a borda, para as letras, etc...
Proure pelo código:
/* Header --------------------------------------------- */
- Agora cole este código abaixo acima dele
/*Colunas header-------------------------------------------------------*/
#header1 { width: 33%;text-align: left; margin: 2px 1px 2px 1px;float: left;}
#header2 { width: 33%;text-align: left;margin: 2px 2px 2px 4px;float: left;}
#header3 { width: 33%;text-align: left; margin: 2px 1px 2px 1px;float: right;}
#header1 .widget, #header2 .widget, #header3 .widget{
background: #FCF8F4;
border: 1px dashed $bordercolor;/*cor da borda*/
color: $sidebartextcolor;/*cor da letra*/
line-height: 1px;
padding: 10px;
margin:0 auto;
}
#header1 .widget-content, #header2 .widget-content, #header3 .widget-content {
border:3px solid #A1B7D6;
border-top: none;
margin: 0 0 0;
padding:10px;
background: #fff;
}
#header1 h2, #header2 h2, #header3 h2{/*títulos*/
font-weight: bold;
background: #A1B7D6;
margin: 2px 0 0 0;
padding: 20px 0px;
text-align: center;
float: center;
font-size: 14px;
color:$sidebartextcolor;/*cor da letra*/
text-shadow:0 1px 0 #f9f9f9;
}
#header1 ul, #header2 ul, #header3 ul{
list-style:none;
margin:2px 0 4px 0;
padding:6px 0 4px 0;
}
#header1 ul li a:link, #header2 ul li a:link, #header3 ul li a:link{/*link cinza*/
background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5gtf1oAPm7zXis32GY5P83jB0r6JkJlMm4fdlw-UgFpgBavqZsZx_y2Oy0zqspubDA2c4EY8nr5hmkgdMY8onDa8uqSkD9skbgrWGS0Sm7mMLOwbmnZVODAFzhhgj5HUXrbj4Xk3_tdoV/s1600/5s.gif) no-repeat 2px;
color:#A2B8D7;/*cor da letra cinza claro*/
border-bottom:1px dashed #cccccc;/*borda cinza claro*/
margin: 12px 0 1px 10px;
padding: 10px 0 5px 16px;
display:block;
}
#header1 ul li a:visited, #header2 ul li a:visited, #header3 ul li a:visited{ /*links visitados ciza escuro*/
background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrEx_HrsUFDctJKon_SlinwI0M7M-cdGp0pq3_yXRfyabRbyzEtH6WffYlxJOOdnaDoYjYqdLcnli0zZrGI_6cpvQI_h_cnVxgkC40jTVGnbweVqL53jadBpoUp6L8JPXiu19zVSVZlN5G/s1600/2z.gif) no-repeat 4px;
color:#808080;/*cor da letra cinza escuro*/
border-bottom:1px dashed #808080;/*borda cinza escuro*/
margin: 12px 0 1px 12px;
padding: 10px 0 5px 14px;
display:block;
}
#header1 ul li a:hover, #header2 ul li a:hover, #header3 ul li a:hover{ /*ao passar o mouse em cima vermelho*/
background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgvGcJJNpMuAfttqiiM6C56DQ1f1td-1GghNnWcWyQ1aiEe8gAGJwyiPvrUqgoK-hvZubrFAQLTKc6fzJRbGEZjdkDZWUexfl7g0_C4lxnsD1waFBny1OGXIuxqArePceN0zcWWF1jf-J2W/s1600/4we.gif) no-repeat 4px;
color: #5B79A3;
border-bottom:1px dashed #5B79A3;
}
#header1 { width: 33%;text-align: left; margin: 2px 1px 2px 1px;float: left;}
#header2 { width: 33%;text-align: left;margin: 2px 2px 2px 4px;float: left;}
#header3 { width: 33%;text-align: left; margin: 2px 1px 2px 1px;float: right;}
#header1 .widget, #header2 .widget, #header3 .widget{
background: #FCF8F4;
border: 1px dashed $bordercolor;/*cor da borda*/
color: $sidebartextcolor;/*cor da letra*/
line-height: 1px;
padding: 10px;
margin:0 auto;
}
#header1 .widget-content, #header2 .widget-content, #header3 .widget-content {
border:3px solid #A1B7D6;
border-top: none;
margin: 0 0 0;
padding:10px;
background: #fff;
}
#header1 h2, #header2 h2, #header3 h2{/*títulos*/
font-weight: bold;
background: #A1B7D6;
margin: 2px 0 0 0;
padding: 20px 0px;
text-align: center;
float: center;
font-size: 14px;
color:$sidebartextcolor;/*cor da letra*/
text-shadow:0 1px 0 #f9f9f9;
}
#header1 ul, #header2 ul, #header3 ul{
list-style:none;
margin:2px 0 4px 0;
padding:6px 0 4px 0;
}
#header1 ul li a:link, #header2 ul li a:link, #header3 ul li a:link{/*link cinza*/
background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5gtf1oAPm7zXis32GY5P83jB0r6JkJlMm4fdlw-UgFpgBavqZsZx_y2Oy0zqspubDA2c4EY8nr5hmkgdMY8onDa8uqSkD9skbgrWGS0Sm7mMLOwbmnZVODAFzhhgj5HUXrbj4Xk3_tdoV/s1600/5s.gif) no-repeat 2px;
color:#A2B8D7;/*cor da letra cinza claro*/
border-bottom:1px dashed #cccccc;/*borda cinza claro*/
margin: 12px 0 1px 10px;
padding: 10px 0 5px 16px;
display:block;
}
#header1 ul li a:visited, #header2 ul li a:visited, #header3 ul li a:visited{ /*links visitados ciza escuro*/
background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrEx_HrsUFDctJKon_SlinwI0M7M-cdGp0pq3_yXRfyabRbyzEtH6WffYlxJOOdnaDoYjYqdLcnli0zZrGI_6cpvQI_h_cnVxgkC40jTVGnbweVqL53jadBpoUp6L8JPXiu19zVSVZlN5G/s1600/2z.gif) no-repeat 4px;
color:#808080;/*cor da letra cinza escuro*/
border-bottom:1px dashed #808080;/*borda cinza escuro*/
margin: 12px 0 1px 12px;
padding: 10px 0 5px 14px;
display:block;
}
#header1 ul li a:hover, #header2 ul li a:hover, #header3 ul li a:hover{ /*ao passar o mouse em cima vermelho*/
background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgvGcJJNpMuAfttqiiM6C56DQ1f1td-1GghNnWcWyQ1aiEe8gAGJwyiPvrUqgoK-hvZubrFAQLTKc6fzJRbGEZjdkDZWUexfl7g0_C4lxnsD1waFBny1OGXIuxqArePceN0zcWWF1jf-J2W/s1600/4we.gif) no-repeat 4px;
color: #5B79A3;
border-bottom:1px dashed #5B79A3;
}









