:root {
  --primary-color: #010b26;
  --button-color: #f1f3f9;
}

.header-main {
  width: 100%;
  height: 100px;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  position: static;
}

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

.header-side {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 30%;
}

.header-side a {
  font-size: 1.3vw;
  color: white;
  text-decoration: none;
}

.header-logo {
  margin-left: 2.5%;
  margin-right: 2.5%;
  width: 20%;
  height: auto;
  text-align: center;
}

.header-logo img {
  width: 45%;
}

.sde {
  height: 7000px;
}