.custom-button {
    position: absolute;
    top: 0px;
    left: 25px;
    width: 60px;
    height: 60px;
    border-radius: 15%;
    background-color: #b6d5d8;
    cursor: pointer;
    outline: none;
}

.header-container {
    position: relative;
}

.custom-button:hover {
    background-color: #097885;
}

.arrow {
    width: 100px;
    height: 100px;
    background-image: url('/images/back-arrow-svgrepo-com.svg');
    background-size: 40%;
    filter: invert(88%) sepia(12%) saturate(7136%) hue-rotate(313deg) brightness(98%) contrast(86%);
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}