.hamburger{
    position: relative;
    height: 40px;
    width: 40px;
    display: none;
}
.hamburger span{
    display: block;
    height: 3px;
    width: 40px;
    background-color: white;
    border-radius: 10px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease-in-out;
}
.hamburger .span1{
    transform: translate(-50%, -50%) translateY(-10px);
}
.hamburger .span4{
    transform: translate(-50%, -50%) translateY(10px);
}
.hamburger.open .span2{
    transform: translate(-50%, -50%) rotate(45deg);
}
.hamburger.open .span3{
    transform: translate(-50%, -50%) rotate(-45deg);
}
.hamburger.open .span1{
    transform: translate(-50%, -50%) translateY(-20px);
    background-color: transparent;
}
.hamburger.open .span4{
    transform: translate(-50%, -50%) translateY(20px);
    background-color: transparent;
}
.mobilemenu-div{
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    margin: 0 auto;
    text-align: center;
    line-height: 3;
    display: none;
}

@media screen and (max-width:850px) {
    .hamburger{
        display: block;
    }
    
    .mobilemenu{
        position: relative;
        background-color: #fff;
        padding: 40px 0;
        list-style-type: none;
        color: gray;
    }
    .triangle{
        position: absolute;
        top: -29px;
        right: 0;
        height: 30px;
        width: 30px;
        background-color: transparent;
    
    
        border-width: 20px;
        border-style: solid;
    
        border-top-color: transparent;
        border-right-color: white;
        border-bottom-color: white;
        border-left-color: transparent;
    }
    
    .mobilemenu .contact-btn{
        color: black;
        background-color: hsl(51, 100%, 49%);
        display: inline-block;
        margin: 20px 0 10px;
        padding: 0 40px;
    }
    .show{
        display: block;
    }
}