 * {
        margin: 0;
        padding: 0;
    } 
body * {
  box-sizing: border-box;
  flex-shrink: 0;
  font-family: PingFangSC-Regular, PingFang SC, Microsoft YaHei, system-ui,-apple-system,BlinkMacSystemFont,segoe ui,Roboto, Helvetica,Arial, sans-serif,apple color emoji,segoe ui emoji,segoe ui symbol;;
}
body {
  font-family: PingFangSC-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma,
    Arial, PingFang SC-Light, Microsoft YaHei;
}
input {
  background-color: transparent;
  border: 0;
}
button {
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  outline: none;
  background-color: transparent;
}

button:active {
  opacity: 0.6;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.flex-row {
  display: flex;
  flex-direction: row;
}
.justify-start {
  display: flex;
  justify-content: flex-start;
}
.justify-center {
  display: flex;
  justify-content: center;
}

.justify-end {
  display: flex;
  justify-content: flex-end;
}
.justify-evenly {
  display: flex;
  justify-content: space-evenly;
}
.justify-around {
  display: flex;
  justify-content: space-around;
}
.justify-between {
  display: flex;
  justify-content: space-between;
}
.align-start {
  display: flex;
  align-items: flex-start;
}
.align-center {
  display: flex;
  align-items: center;
}
.align-end {
  display: flex;
  align-items: flex-end;
}
li {
  list-style-type: none;
}
a{
text-decoration: none;
color: #000000;
}
.scale {
  transform: scale(50%);
}
