To turn your beautiful designs into usable websites that respond to various device and user contexts, I'm the guy you are probably looking for. With HTML5, CSS, (SASS), Bootstrap, JavaScript, as my tools, I build website front-ends focusing on performance, responsiveness/mobile-friendliness, usability and accessibility. As a freelancer, I have worked with various individual, web and design agencies, as well as delivering quality web sites and applications for small and medium businesses. 
-HTML, HTML5, CSS, CSS3, SASS/SCSS, Bootstrap, Foundation, Javascript, Flexbox

-SPA development using React/Angular/Vuejs according to customer's requirement

-Theme customization, 

-Mobile first CSS architecture 

-Google Page Speed, Website Performance Optimization 

-Responsive web design techniques to support Cross-device/Cross-browser compliant