.ms-sign-in-cta__button {
    background-color: rgba(0,0,0,0);
    border: 0;
    border-radius: 2px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    color: rgba(0,0,0,0.6);
    cursor: pointer;
    display: inline-block;
    font-size: 2rem;
    font-weight: 500;
    font-family: inherit;
    height: 40px;
    line-height: 40px;
    overflow: hidden;
    outline-width: 2px;
    padding: 0 32px;
    position: relative;
    text-align: center;
    text-decoration: none;
    -webkit-transition-duration: 167ms;
    transition-duration: 167ms;
    -webkit-transition-property: background-color,color,-webkit-box-shadow;
    transition-property: background-color,color,-webkit-box-shadow;
    transition-property: background-color,box-shadow,color;
    transition-property: background-color,box-shadow,color,-webkit-box-shadow;
    -webkit-transition-timing-function: cubic-bezier(0, 0, 0.2, 1);
    transition-timing-function: cubic-bezier(0, 0, 0.2, 1);
    vertical-align: middle;
    z-index: 0;
    -webkit-box-shadow: inset 0 0 0 1px rgb(0 0 0 / 60%), inset 0 0 0 2px rgb(0 0 0 / 0%), inset 0 0 0 1px rgb(0 0 0 / 0%);
    box-shadow: inset 0 0 0 1px rgb(0 0 0 / 60%), inset 0 0 0 2px rgb(0 0 0 / 0%), inset 0 0 0 1px rgb(0 0 0 / 0%);
    height: 56px;
    width: 100%;
    border-radius: 28px;
    line-height: normal;
    font-weight: normal;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    background-color: #fff;
}
.ms-sign-in-cta__button:hover{
    -webkit-box-shadow: inset 0 0 0 1px rgb(0 0 0 / 100%), inset 0 0 0 2px rgb(0 0 0 / 0%), inset 0 0 0 1px rgb(0 0 0 / 0%);
    box-shadow: inset 0 0 0 1px rgb(0 0 0 / 100%), inset 0 0 0 2px rgb(0 0 0 / 0%), inset 0 0 0 1px rgb(0 0 0 / 0%);
}