.day_bg_1
{
   background: #e3e3e3 url("../gfx/background/day/1_niki.jpg") right top no-repeat;
}

.day_bg_2
{
   background: #e3e3e3 url("../gfx/background/day/2_niki.jpg") right top no-repeat;
}

.day_bg_3
{
   background: #e3e3e3 url("../gfx/background/day/3_niki.jpg") right top no-repeat;
}

.day_bg_4
{
   background: #e3e3e3 url("../gfx/background/day/4_niki.jpg") right top no-repeat;
}

.day_bg_5
{
   background: #e3e3e3 url("../gfx/background/day/5_niki.jpg") right top no-repeat;
}

.night_bg_1
{
   background: #e3e3e3 url("../gfx/background/night/1_niki.jpg") right top no-repeat;
}

.night_bg_2
{
   background: #e3e3e3 url("../gfx/background/night/2_niki.jpg") right top no-repeat;
}

.night_bg_3
{
   background: #e3e3e3 url("../gfx/background/night/3_niki.jpg") right top no-repeat;
}

.night_bg_4
{
   background: #e3e3e3 url("../gfx/background/night/4_niki.jpg") right top no-repeat;
}

.night_bg_5
{
   background: #e3e3e3 url("../gfx/background/night/5_niki.jpg") right top no-repeat;
}