.std_button {
    border-width: 0;
    border-radius: 5px;
    background: #175100;
    color: white;
    min-height: 40px;
    min-width: 160px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
    margin: 5px;
    text-align: center;
    justify-content: center;
    align-items: center;
    display: flex;
}

.std_button span {
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}

.std_button span:after {
    content: '\00bb';
    position: absolute;
    opacity: 0;
    top: 0;
    right: -20px;
    transition: 0.5s;
}

.std_button:hover span {
    padding-right: 25px;
}

.std_button:hover span:after {
    opacity: 1;
    right: 0;
}

.hover_container {
    position: relative;
}

.hover_image {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    justify-self: center;

}

.hover_overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    width: 100%;
    opacity: 0;
    transition: .5s ease;
    background-color: #00000086;
}

.hover_container:hover .hover_overlay {
    opacity: 1;
}

.hover_text {
    color: white;
    font-size: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    text-align: center;
}

.std_image {
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}