1.Buka Blogger
2.Pilih menu rancangan Lalu Pilih Edt HTML
3.
Expand Template Widget Kemudian
4.Cari kode
</body> ,letakkan kode di bawah ini diatas kode
</body>
<!-- Start-->
<b:if cond='data:blog.pageType == "error_page"'>
<style>
#error-not-found {
background: #FF0000;
background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjq17bs1IvzSTgHoEt45vLM3TI35qYQufyH1b-u_IQGnbFDQ8Of3ZJQ4bR2629zRlOr1T8z0Cisv_dAaxH6P3hH-lkFH_ODCTs8f_uzlcrXzL3UF4NTQtbuVbDgBvSW7DzUB_xcP7wvhhA/s1600/bg_body.gif)no-repeat top center,-moz-radial-gradient(center 40%, circle cover, #000000 0%, #000000 100%);
background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjq17bs1IvzSTgHoEt45vLM3TI35qYQufyH1b-u_IQGnbFDQ8Of3ZJQ4bR2629zRlOr1T8z0Cisv_dAaxH6P3hH-lkFH_ODCTs8f_uzlcrXzL3UF4NTQtbuVbDgBvSW7DzUB_xcP7wvhhA/s1600/bg_body.gif)no-repeat top center,-webkit-gradient(radial, center 40%, 0, center 40%, 800, from(#000000), to(#FF0000) );
text-align:center;
position:fixed;
top:0px;
right:0px;
bottom:0px;
left:0px;
padding-top:270px;
z-index:999999;
}
#error-not-found h1 {
font-size:610px!important;
position:absolute;
top:-400px; left:680px;
font-family:Passero One;
letter-spacing: -8px;
margin-left:-502px!important;
width:960px;
z-index:-2;
color:rgba(0,0,0,.09)!important;
}
#error-not-found h2 {
font-family:Passero One;
text-transform:uppercase;
font-size:81px;
line-height:66px!important;
letter-spacing: -3px;
color:#FF0000!important;
text-shadow:1px 0 0 lime,-1px 0 0 lime,0 1px 0 lime,0 -1px 0 lime,1px 1px 2px lime;
margin:0!important;
padding:0!important;
}
#error-not-found p a,
#error-not-found p a:visited,
#error-not-found p a:hover{
font-family:Passero One;
text-transform:uppercase;
font-size:56px;
line-height:40px!important;
border:none;
font-weight: bold;
color:rgba(0,0,0,.5)!important;
margin:0!important;
padding:0!important;
text-decoration:none!important;
}
</style>
<div id='error-not-found'>
<h1>404</h1> <h2>Kesalahan 404</h2>
<h2>Halaman Tidak Ditemukan</h2>
<p> <a expr:href='data:blog.homepageUrl' title='home page'>- Kembali Halaman Utama -</a></p>
</div>
</b:if> <!-- end-->
5.Pratinjau Jika Tidak Ada eror Simpan Template
6.kalau mau liat hasilnya buka seperti ini di browsing kamu
7.http://url.blogkamu.blogspot.com/terserah
Semoga Berhasil
