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/* VALID */
/*********************************************************************************************************************/
valid {z-index:3; position:fixed; top:0; left:calc(50% - 15vw); display:block; padding:1vw; width:30vw; text-align:center; color:#FFFFFF; background-image:linear-gradient(65deg, #239401, #97d600); border-radius:0 0 0.5vw 0.5vw; cursor:pointer;}
valid:after {content:""; position:absolute; bottom:-3vw; left:0; display:block; width:100%; height:3vw; background:url("../../img/shadow.png"); background-position:bottom; background-size:100%;}