.sidebar {
    width: 25%;
    overflow: auto;
    position: absolute;
    top: 0;
    left: -25%;
    transition: all 500ms;
}
.sidebar-button {
    text-align: right;
    color: black;
    border-right: 1px solid #000;
    z-index:9;
}



@media (max-width: 580px) {
  .sidebar {
    width: 100%;
    left:0 ;
    top: -100%;
    height: 100%;
  }
  .sidebar-button{
    text-align: left;
  }
}

.sidebar-active{
    left: 0;
    top: 0;
}

.teal {
    display: flex;
    justify-content: space-between;
    width: 100%;
    background: #0099ff;
    border-bottom: 1px solid #007acc;
    box-sizing: border-box;
    margin: 0;
    padding: 10px;
}

.hamburger::before {
    content: "☰";
    font-weight: bold;
}


.sidebar-button:hover {
}

.sidebar-last {
    border-bottom: 1px solid #000;
}

.sidebar-close {
    background: #3385ff;
}

.sidebar-close:hover {
    background: #0066ff;
}