The code is the menu style of semantic ui available for React including a search input i want to increase the size of the search input and also change the color.

<Menu secondary>
            <Menu.Item>
              <img alt="logo" src={logo} 
               active={activeItem === 'home'}
               onClick={this.handleItemClick}
              />
            </Menu.Item>
            <Menu.Item>
                <Input icon='circle outline' iconPosition='left' placeholder='Search...' />
            </Menu.Item>
            <Menu.Menu position='right'>
              
              <Menu.Item
                name='logout'
                active={activeItem === 'logout'}
                onClick={this.handleItemClick}
              />
            </Menu.Menu>
          </Menu>