* { 
  margin: 0; 
  padding: 0; 
  box-sizing: border-box; 
  font-family: CPN, sans-serif; 
}

body {
    overflow: hidden;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 20px;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

[data-flex="0"] {
    display: flex;
    align-items: center;
    gap: 10px;
}

[data-flex="1"] {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
}

.eca-btn {
    font-size: 20px;
    padding: 22px 52px;
    border: 0px;
    width: 320px;
    background: #00bf62;
    text-align: center;
    text-shadow: 2px 1px 4px #fff;
    cursor: pointer;
}
img {
    user-select: none;
    -webkit-user-drag: none;
}