* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}
input,
button,
textarea,
select {
  font: inherit;
  outline: none;
}

html,
body {
  color: #fff;
  margin: 0 auto;
  font-family: "S-Core Dream";
}
body {
  background: #141619;
  font-size: 16px;
}

.flex {
  display: flex;
}

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

.flex-clom {
  flex-direction: column;
}

.flex-warp {
  flex-wrap: wrap;
}
.pointer {
  cursor: pointer;
}

@media (max-width: 650px) {
  .app_header {
    padding-top: 54px;
  }
  .content{
    margin-top: 124px !important;
  }
}