.myk-ava,
.myk-btn,
.myk-list,
.myk-name,
.myk-panel,
.myk-wa-icon,
.myk-who,
.myk-number,
.myk-panelhead,
.myk-wa-icon,
.myk-paneltitle {
    margin: 0;
    padding: 0; 
    font-family: Arial, Helvetica, sans-serif;
}

.myk-btn{
    position: fixed;
    right: 20px;
    bottom: 20px;
    background-color: #25D366;
    border-radius: 50%;
    display: inline-block;
    padding: 10px;
    height: 50px;
    width: 50px;
    box-shadow: 3px 3px 5px #464646; 
    cursor: pointer;
    transition: all 0.5s;
    margin: 0;
    z-index: 999;
}
.myk-btn:hover{
    opacity: 0.7;
}
.myk-btn img{width: 30px}

.myk-panel{
    position: fixed;
    right: 30px;
    bottom:80px;
    background-color: #ECE5DD;
    width: 300px; 
    height:0px;
    box-shadow: 0px 0px 10px #075E54;
    overflow-y: hidden;
    border-radius: 5px; 
    transition: all 0.5s ease-out;
    z-index: 999; 
}
.myk-panel .myk-list{
    background-color: #ffffff;
    overflow: hidden;
    display: block; 
    padding: 20px 10px;
    color:#333; 
    text-decoration: none; 
    font-family: Arial, Helvetica, sans-serif;
    border-bottom: 2px solid #cccccc;
}
.myk-panel .myk-ava {
    width: 40px;
    float: left;
    margin-right:20px;
 }
.myk-panelhead{
    background-color: #25D366;
    text-align: center;
    color: white;
    height: 100px;}

.myk-paneltitle{font-weight: lighter}
.myk-show{height:400px}
.myk-panelbody{overflow-y: scroll;height: calc(100% - 100px)}

@media only screen and (max-width: 400px) {
    .myk-panel{width: 100%;right: 0;top: 0;bottom: 0;}
    .myk-panel.myk-show{height: 100%}
}
.myk-close{display: block;background-color: #075E54;cursor: pointer;opacity: 0.4;text-align: center;width: 50px;transition: ease all 0.3s;overflow: hidden;}
.myk-close:hover{opacity: 0.6;}