[Tokens] - shadows updates

[vladko-uxds]

Description

Shadow values for float panels

Design

--shadow-fixed-left

• Light box-shadow: 2px 0px 16px 0px hsla(240, 10%, 8%, 0.2);
• Dark box-shadow: 2px 0px 16px 1px hsla(0, 0%, 0%, 0.5);box-shadow: 0px 0px 2px 1px hsla(0, 0%, 0%, 0.15);

--shadow-fixed-right

• Light box-shadow: -2px 0px 16px 0px hsla(240, 10%, 8%, 0.18);
• Dark box-shadow: -2px 0px 16px 1px hsla(0, 0%, 0%, 0.5);box-shadow: 0px 0px 2px 1px hsla(0, 0%, 0%, 0.15);

--shadow-fixed-top

• Light box-shadow: 0px 2px 16px 0px hsla(240, 10%, 8%, 0.18);
• Dark box-shadow: 0px 2px 16px 1px hsla(0, 0%, 0%, 0.5);box-shadow: 0px 0px 2px 1px hsla(0, 0%, 0%, 0.15);

--shadow-fixed-bottom

• Light box-shadow: 0px -2px 16px 0px hsla(240, 10%, 8%, 0.18);
• Dark box-shadow: 0px -2px 16px 1px hsla(0, 0%, 0%, 0.5);box-shadow: 0px 0px 2px 1px hsla(0, 0%, 0%, 0.15);