.mmenu-line {
    padding: 8px 24px;
    border-bottom: 1px solid #000000;
}

.mmenu-burger,
.mmenu-burger:hover,
.mmenu-burger:focus,
.mmenu-burger:active {
    text-decoration: none;
    display: inline-block;
    color: #000000;
}

.mmenu-burger i {
    display: none;
}

.mmenu-burger i:nth-child(1) {
    display: block;
}

.mmenu-main {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    display: none;
    /* display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column; */
    width: 100%;
    height: 100%;
    -webkit-animation: NPWDU9U4CP .4s ease;
    -moz-animation: NPWDU9U4CP .4s ease;
    -o-animation: NPWDU9U4CP .4s ease;
    animation: NPWDU9U4CP .4s ease;
    background: #fff;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none
}

.mmenu__content {
    position: relative;
    height: 100%;
    width: 100%;
}

.mmenu__list {
    margin: 0;
    padding: 0;
    list-style: none;
    position: absolute;
    top: 0;
    left: 0;
    overflow-y: auto;
    width: 100%;
    height: 100%;
    background: #fff;
    will-change: transform;
    -webkit-overflow-scrolling: touch
}

.mmenu__link,
.mmenu__link:hover,
.mmenu__link:active,
.mmenu__link:focus {
    color: #000000;
    text-decoration: none;
    display: block;
    padding: 8px;
    border-top: 1px solid #cccccc;
}

.mmenu-main__header {
    display: block;
    padding: 8px 24px;
    font-weight: 700;
    border-bottom: 1px solid #000000;
    text-align: center;
}

.mmenu-main__cross,
.mmenu-main__cross:hover,
.mmenu-main__cross:active,
.mmenu-main__cross:focus {
    color: #000000;
    position: absolute;
    top: 2px;
    font-size: 1.4em;
    right: 8px;
    text-decoration: none;
}

.mmenu-main__back,
.mmenu-main__back:hover,
.mmenu-main__back:active,
.mmenu-main__back:focus {
    display: none;
    color: #000000;
    position: absolute;
    top: 2px;
    font-size: 1.4em;
    left: 8px;
    text-decoration: none;
}
.button {
    background-color: #4CAF50; /* Green */
    border: none;
    color: white;
    padding: 16px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
  }
  
  .button1 {
    background-color: white; 
    color: black; 
    border: 2px solid #4CAF50;
  }