.callback-bt {
    background: #38a3fd;
    border-radius: 50%;
    box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3);
    cursor: pointer;
    border: 2px solid transparent;
    display: block;
    height: 75px;
    width: 75px;
    text-align: center;
    position: fixed;
    right: 8%;
    bottom: 8%;
    z-index: 999;
    transition: .3s ease-in-out;
    -webkit-animation: hoverWave linear 1s infinite;
    animation: hoverWave linear 1s infinite;
}

.callback-bt:hover {
    background: #fff;
    border: 2px solid #38a3fd;
}

.callback-bt .text-call {
    height: 75px;
    width: 75px;
    border-radius: 50%;
    position: relative;
}

.callback-bt .text-call:after {
    content: "\f095";
    display: block;
    font-family: fontawesome;
    color: #fff;
    font-size: 38px;
    line-height: 75px;
    height: 75px;
    width: 75px;
    opacity: 1;
    transition: .3s ease-in-out;
    animation: 1200ms ease 0s normal none 1 running shake;
    animation-iteration-count: infinite;
}

.callback-bt .text-call:hover:after {
    opacity: 0;
}

.callback-bt .text-call span {
    color: #38a3fd;
    display: block;
    left: 50%;
    top: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    opacity: 0;
    font-size: 11px;
    line-height: 12px;
    font-weight: 600;
    text-transform: uppercase;
    transition: .3s ease-in-out;
    font-family: 'montserrat', Arial, Helvetica, sans-serif;
}

.callback-bt .text-call:hover span {
    opacity: 1;
}

.text-call-menu {
    color: #000000;
    display: block;
    font-size: 1rem;
    line-height: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: .3s ease-in-out;
    font-family: 'montserrat', Arial, Helvetica, sans-serif;
}

.text-call-menu:hover {
    color: #38a3fd;
    cursor: pointer;
}

.dropup-menu-css {
    width: 75px !important;
    min-width: 75px;
    text-align: center;
    border: 2px;
    border-radius: 20px;
    background: rgb(255, 255, 255);
    margin-bottom: 2rem !important;
}
.dropup-menu-css i:hover {
    box-shadow: lightgrey;
}
@keyframes hoverWave {
    0% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 0 rgba(56, 163, 253, 0.2), 0 0 0 0 rgba(56, 163, 253, 0.2)
    }

    40% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 15px rgba(56, 163, 253, 0.2), 0 0 0 0 rgba(56, 163, 253, 0.2)
    }

    80% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 30px rgba(56, 163, 253, 0), 0 0 0 26.7px rgba(56, 163, 253, 0.067)
    }

    100% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 30px rgba(56, 163, 253, 0), 0 0 0 40px rgba(56, 163, 253, 0.0)
    }
}

/* animations icon */

@keyframes shake {
    0% {
        transform: rotateZ(0deg);
        -ms-transform: rotateZ(0deg);
        -webkit-transform: rotateZ(0deg);
    }

    10% {
        transform: rotateZ(-30deg);
        -ms-transform: rotateZ(-30deg);
        -webkit-transform: rotateZ(-30deg);
    }

    20% {
        transform: rotateZ(15deg);
        -ms-transform: rotateZ(15deg);
        -webkit-transform: rotateZ(15deg);
    }

    30% {
        transform: rotateZ(-10deg);
        -ms-transform: rotateZ(-10deg);
        -webkit-transform: rotateZ(-10deg);
    }

    40% {
        transform: rotateZ(7.5deg);
        -ms-transform: rotateZ(7.5deg);
        -webkit-transform: rotateZ(7.5deg);
    }

    50% {
        transform: rotateZ(-6deg);
        -ms-transform: rotateZ(-6deg);
        -webkit-transform: rotateZ(-6deg);
    }

    60% {
        transform: rotateZ(5deg);
        -ms-transform: rotateZ(5deg);
        -webkit-transform: rotateZ(5deg);
    }

    70% {
        transform: rotateZ(-4.28571deg);
        -ms-transform: rotateZ(-4.28571deg);
        -webkit-transform: rotateZ(-4.28571deg);
    }

    80% {
        transform: rotateZ(3.75deg);
        -ms-transform: rotateZ(3.75deg);
        -webkit-transform: rotateZ(3.75deg);
    }

    90% {
        transform: rotateZ(-3.33333deg);
        -ms-transform: rotateZ(-3.33333deg);
        -webkit-transform: rotateZ(-3.33333deg);
    }

    100% {
        transform: rotateZ(0deg);
        -ms-transform: rotateZ(0deg);
        -webkit-transform: rotateZ(0deg);
    }
}

    /*

    modal window

    */

.modal-content {
    width: 80%;
    margin: 0 auto;
}
.modal-body {
    padding: 0;
}
.btn-close {
    position: absolute;
    right: 0;
    padding: 1em;
}
.modal-content h1 {
    font-size: 2.3em;
    font-weight: bold;
}
.myform {
    padding: 2em;
    max-width: 100%;
    color: #fff;
    box-shadow: 0 4px 6px 0 rgba(22, 22, 26, 0.18);
}
/*@media (max-width: 576px) {*/
/*    .myform {*/
/*        max-width: 90%;*/
/*        margin: 0 auto;*/
/*    }*/
/*}*/
.form-control:focus {
    box-shadow: inset 0 -1px 0 #7e7e7e;
}
.form-control {
    background-color: inherit;
    color: #fff;
    padding-left: 0;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid #fff;
}
.myform .btn {
    width: 100%;
    font-weight: 800;
    background-color: #fff;
    border-radius: 0;
    padding: 0.5em 0;
}
.myform .btn:hover {
    background-color: inherit;
    color: #fff;
    border-color: #fff;
}
.modal-content p {
    text-align: center;
    padding-top: 2em;
    color: grey;
}
.modal-content p a {
    color: #e1e1e1;
    text-decoration: none;
}
.modal-content p a:hover {
    color: #fff;
}

.form-control, .btn-light {
    font-size: 1.8rem;
}