/***** Shadow *****/
.box_shadow {
  box-shadow: rgba(50, 50, 93, 0.25) 0px 50px 100px -20px,
    rgba(0, 0, 0, 0.3) 0px 30px 60px -30px,
    rgba(10, 37, 64, 0.35) 0px -2px 6px 0px inset;
  border: solid 0.2px rgba(50, 50, 93, 0.25);
}
/***** Button 1 *****/
.btn_1 {
  text-align: center;
  cursor: pointer;
  height: fit-content;
  position: relative;
  user-select: none;
}
.btn_1::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0px;
  right: 0px;
  transition: all 0.4s;
  border-radius: 10px 10px;
}
.btn_1::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0px;
  right: 0px;
  transition: all 0.3s;
  border-top-width: 1px;
  border-bottom-width: 1px;
  border-top-style: solid;
  border-bottom-style: solid;
  border-top-color: rgba(158, 136, 38, 0.5);
  border-bottom-color: rgba(158, 136, 38, 0.5);
  transform: scale(0, 1);
}
.btn_1:hover::after {
  opacity: 1;
  transform: scale(1, 1);
}
.btn_1:hover::before {
  opacity: 0;
  transform: scale(0.1, 1);
}

/***** Button 2 *****/
.btn_2 {
  white-space: nowrap;
  width: fit-content;
  user-select: none;
  font-weight: bold;
  font-size: 20px;
  cursor: pointer;
  color: white;
  padding: 10px;
  padding-left: 60px;
  padding-right: 60px;
  border-radius: 30px 30px;
  position: relative;
  background-color: #ccc;
  background-image: linear-gradient(#f5a790 0%, #f75625 50%);
  overflow:hidden;
}
.btn_2::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  transition: all 0.3s;
  top: 0px;
  left: 0px;
  z-index: 2;
  background-image: linear-gradient(#f5a790 25%, #f75625 100%);
  border-radius: 30px 30px;
  transition: opacity 0.3s ease-out;
  opacity: 0;
}
.btn_2:hover:after {
  opacity: 1;
}
.btn_2 span {
  position: relative;
  z-index: 3;
}
.btn_2:before{
  content:'';
  position: absolute;
  top:0px;
  left: -150px;
  background:white;
  width:150px;
  height:100px;
  background: linear-gradient(-45deg,rgba(255,0,0,0) 0%, rgba(255,0,0,0) 40%, 
    white 40%, white 60%, rgba(255,0,0,0) 60%, rgba(255,0,0,0) 100%);
  animation: move 3s infinite;
}
@keyframes move {
  0%{ top: 0px; left: -150px; }
  60%{ top: 0px; left: -150px; }
  100%  { top: 0px; left: 300px; }
}

/***** Button 3 *****/
.btn_3 {
  color: blue;
  cursor: pointer;
  font-weight: bold;
  font-size: 18px;
}
.btn_3:hover {
  text-decoration: underline;
}
#dark_one{
  position: fixed;
  display: none;
  background-color: black;
  opacity: 0%;
  height: 100vh;
  width: 100vw;
  transition: opacity 0.5s ease-in-out;
  z-index: 49;
}
/***** Button 4 *****/
.btn_4 {
  color: rgb(122, 122, 122);
  cursor: pointer;
  font-size: 52px;
  font-weight: bolder;
  -webkit-transition: all .3s ease-in-out;
  -moz-transition: all .3s ease-in-out;
  -o-transition: all .3s ease-in-out;
  transition: all .3s ease-in-out;
}
.btn_4:hover{
  color: rgb(158, 90, 0);
  text-shadow:
  -1px -1px 0 rgb(158, 90, 0),
  1px -1px 0 rgb(158, 90, 0),
  -1px 1px 0 rgb(158, 90, 0),
  1px 1px 0 rgb(158, 90, 0);
}