Plus Minus Button Not Formatting Properly

My Plus Minus button is over lapping and not formatting properly (see attachment).

 

Hello,

Do let us know your website link.

 

Sure, here it is...

http://www.websitedesignboss.com/demo-supplier

 

Hello,

Paste this code in Custom CSS
Appearance > Theme Option > Styling Option > Custom CSS

Code:

.sidebar.becomemember .input-text.qty {
width: 64px;
height: 38px;
margin-left:35px;
}
.sidebar.becomemember input[type="button"].plus {
width: 35px !important;
 
}
.sidebar.becomemember input[type="button"].minus {
width: 39px !important;
margin-bottom:2px;
}
 
.woocommerce .quantity, .woocommerce-page .quantity, .woocommerce #content .quantity, .woocommerce-page #content .quantity {
width: 130px !important;
position: relative;
margin:0 !important;
top:15px;
display: inline-block;
overflow:none;
zoom: 1;
}
.woocommerce .quantity .minus, .woocommerce-page .quantity .minus, .woocommerce #content .quantity .minus, .woocommerce-page #content .quantity .minus {
bottom:10 !important;
left: 0;
z-index:9999;
}

Thanks & Regards
Nitesh Raghuwanshi