.bttn {
  border: none;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  transition-duration: 0.4s;
  cursor: pointer;
  padding-top: 5px;
  padding-bottom: 5px;
  padding-left: 30px;
  padding-right: 30px;
  border-radius: 7px;
}

.bttn-r {
  background-color: var(--bc-r0);
  color: white;
}

.bttn-n {
  background-color: var(--bc-n5);
  color: var(--bc-n0);
}

.bttn-r:hover,
.bttn-n:hover {
  opacity: 0.8;
}


/* --------------a-------------------- */

.center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.center-j {
  display: flex;
  justify-content: center;
}

.center-a {
  display: flex;
  align-items: center;

}
/* --------------float-div------------ */
.fr {float: right;} .fl {float: left;} .left {display: flex; justify-content:start; left: 0%;} .right {display: flex; justify-content: end; right: 0%;}

.deco-non {
  text-decoration: none;
}

.list-non {
  list-style: none;
}

/* ---------------------border-curve---------------------- */
.br-3 {
  border-radius: 3px;
}

.br-5 {
  border-radius: 5px;
}

.br-7 {
  border-radius: 7px;
}

.br-10 {
  border-radius: 10px;
}

.br-15 {
  border-radius: 15px;
}

.br-20 {
  border-radius: 20px;
}

.br-20-up {
  border-start-start-radius: 20px;
}

.br-25 {
  border-radius: 25px;
}

.br-30 {
  border-radius: 30px;
}

.br-35 {
  border-radius: 35px;
}

.br-40 {
  border-radius: 40px;
}

.br-45 {
  border-radius: 45px;
}

.br-50 {
  border-radius: 50%;
}

.br-top-5 {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
}

.br-top-10 {
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}


/* ----------------font-size------------------- */

.fs2 {
  font-size: 2px;
}

.fs4 {
  font-size: 4px;
}

.fs6 {
  font-size: 6px;
}

.fs8 {
  font-size: 8px;
}

.fs10 {
  font-size: 10px;
}

.fs12 {
  font-size: 12px;
}

.fs13 {
  font-size: 13px;
}

.fs14,
.fsx1 {
  font-size: 14px;
}

.fs15,
.fsx2 {
  font-size: 15px;
}

.fs16,
.fsx3 {
  font-size: 16px;
}

.fs18,
.fsx4 {
  font-size: 18px;
}

.fs20 {
  font-size: 20px;
}

.fs22 {
  font-size: 22px;
}

.fs24 {
  font-size: 24px;
}

.fs26 {
  font-size: 26px;
}

.fs28 {
  font-size: 28px;
}

.fs30 {
  font-size: 30px;
}

.fs32 {
  font-size: 32px;
}

.fs34 {
  font-size: 34px;
}

.fs36 {
  font-size: 36px;
}

.fs38 {
  font-size: 38px;
}

.fs40 {
  font-size: 40px;
}

.fs42 {
  font-size: 42px;
}


/* --------------font-weight----------------- */

.fw100 {
  font-weight: 100;
}

.fw200 {
  font-weight: 200;
}

.fw300 {
  font-weight: 300;
}

.fw400 {
  font-weight: 400;
}

.fw450 {
  font-weight: 450;
}

.fw500 {
  font-weight: 500;
}

.fw550 {
  font-weight: 550;
}

.fw600 {
  font-weight: 600;
}

.fw650 {
  font-weight: 650;
}