.btn {
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 0.01em;
    -webkit-border-radius: 30px;
    -moz-border-radius: 30px;
    -ms-border-radius: 30px;
    -o-border-radius: 30px;
    border-radius: 30px;
    --webkit-text-shadow: 0 0 10px rgba(0, 0, 0, 0);
    --moz-text-shadow: 0 0 10px rgba(0, 0, 0, 0);
    --ms-text-shadow: 0 0 10px rgba(0, 0, 0, 0);
    --o-text-shadow: 0 0 10px rgba(0, 0, 0, 0);
    --khtml-text-shadow: 0 0 10px rgba(0, 0, 0, 0);
    text-shadow: 0 0 10px rgba(0, 0, 0, 0);
    border: none;
    position: relative;
    line-height: 100%;
    overflow: hidden;

    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;

    -webkit-mask-image: -webkit-radial-gradient(white, black);
}

button:focus {
    outline: none !important;
}

.btn-danger {
    color: #fff !important;
    background: #f42c37;
    padding-top: 17px;
    padding-bottom: 16px;
}

.btn-light {
    background: #fff;
    padding: 10px 26px;
}

.aux-btn:focus,
.aux-btn:active,
.btn:not(:disabled):not(.disabled).active:focus,
.btn:not(:disabled):not(.disabled):active:focus,
.show > .btn.dropdown-toggle:focus {
    outline: none;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
}

.aux-btn > * {
    position: relative;
}

.aux-btn .aux-overlay {
    position: absolute;
    width: 120%;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%) scale(0, 0);
    -ms-transform: translate(-50%, -50%) scale(0, 0);
    -o-transform: translate(-50%, -50%) scale(0, 0);
    transform: translate(-50%, -50%) scale(0, 0);

    -webkit-transition: -webkit-transform .3s cubic-bezier(.75, .1, .25, .9);
    -o-transition: -o-transform .3s cubic-bezier(.75, .1, .25, .9);
    transition: transform .3s cubic-bezier(.75, .1, .25, .9);


}

.aux-btn .aux-overlay:after {
    position: relative;
    content: '';
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    border-radius: 50%;
    display: block;
    padding-top: 100%;
}

.aux-btn:hover .aux-overlay {
    -webkit-transform: translate(-50%, -50%) scale(1, 1);
    -ms-transform: translate(-50%, -50%) scale(1, 1);
    -o-transform: translate(-50%, -50%) scale(1, 1);
    transform: translate(-50%, -50%) scale(1, 1);
}

.btn__hover_dark.aux-btn .aux-overlay:after {
    background-color: #000;
}

.teasers-section__wrap .aux-btn .aux-overlay:after {
    background-color: #4f4f4f;
}

.teasers-section__wrap .aux-btn:hover .aux-text {
    color: #fff !important;
}

.aux-btn .aux-text {
    -webkit-transition: -webkit-transform .3s, opacity .3s;
    -o-transition: -o-transform .3s, opacity .3s;
    transition: transform .3s, opacity .3s;
}

.btn-danger:not(:disabled):not(.disabled).active,
.btn-danger:not(:disabled):not(.disabled):active,
.show > .btn-danger.dropdown-toggle,
.btn-danger.focus,
.btn-danger:focus {
    color: #fff;
    background-color: #f42c37;
    border-color: #f42c37;
}