fix: styles in README.md

Author: Volodymyr Orlov

README.md

@@ -1,14 +1,7 @@
-<style>
-    .logo {
-        color: #DC7726 !important;
-        font-weight: 700 !important;
-        font-size: xx-large;
-    }
-</style>
 <p align="center">
   <a href="https://smartcorelib.org">
     <img src="https://smartcorelib.org/assets/logo/smartcore.svg" width="50" height="50" alt="SmartCore" style="vertical-align:text-bottom">    
-    <span class="logo">SmartCore</span>
+    <span style="color: #DC7726 !important; font-weight: 700 !important; font-size: xx-large;">SmartCore</span>
   </a>  
 </p>
 <p align = "center">